Inventor

Pushkar Tandon

Inventor
Painted Post, NY, US

Overview

169→
Patents
2001–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 169 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G02Bprimary
G02BOptical elements, systems or apparatus33%
C03BManufacture, shaping, or supplementary processes23%
C03CChemical composition of glasses, glazes or vitreous enamels11%
Y02PClimate change mitigation technologies in the production or processing of goods5%
B01DSeparation3%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general3%
Y10TTechnical subjects covered by former us classification3%
B23KSoldering or unsoldering2%
Y02TClimate change mitigation technologies related to transportation2%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form2%
PatentTitleYear
11,125,938Low bend loss optical fiber with a chlorine doped core and offset trench202111,125,937Optical fibers having a varying clad index and methods of forming same202111,119,270Puncture-resistant reduced-diameter multimode optical fiber202111,117,124Honeycomb body and particulate filter comprising a honeycomb body202111,072,560Neutralizing gas system for furnace202111,067,744Low bend loss optical fiber with step index core202111,054,573Multimode optical fiber with reduced cladding thickness202111,036,000Optical fiber cable with high fiber count202111,022,750Wideband multimode co-doped optical fiber employing GeO202111,009,656Low diameter optical fiber202111,009,655Low diameter optical fiber202110,961,145Optical fiber with low fictive temperature202110,948,674Rollable optical fiber ribbon with low attenuation, large mode field diameter optical fiber and cable202110,947,149Halogen-doped silica for optical fiber preforms202110,940,421Pattern-plugged honeycomb bodies, particulate filters, and extrusion dies therefor202110,882,782Optical fiber coating die with reduced wetted length202110,829,403Treatment of silica based soot or an article made of silica based soot202010,775,557Fiber coatings with low pullout force202010,775,558Low loss wide bandwidth optical fiber202010,768,384High fiber density, low bend loss optical fiber cable202010,696,580Optical fiber with low fictive temperature202010,689,544Fiber coatings with low pullout force202010,649,163Rollable optical fiber ribbon with low attenuation, large mode field diameter optical fiber and cable202010,620,393Low attenuation optical fiber cable with small sized active particles202010,611,668Laser cut composite glass article and method of cutting202010,611,667Method and system for forming perforations202010,591,668Low bend loss optical fiber with a chlorine doped core and offset trench202010,571,628Low loss optical fiber with core codoped with two or more halogens202010,564,349Low bend loss optical fiber with graded index core202010,501,370Method of applying an ink layer onto an optical fiber201910,479,720Methods of making optical fiber with reduced hydrogen sensitivity that include fiber redirection201910,465,585Exhaust gas treatment article and methods of manufacturing same201910,444,427Single mode optical fiber with chlorine doped core and low bend loss201910,429,589Optical fiber for silicon photonics201910,429,579High chlorine content low attenuation optical fiber201910,345,543High fiber density, low bend loss optical fiber cable201910,335,902Method and system for arresting crack propagation201910,322,963Low attenuation optical fiber201910,310,202Rollable optical fiber ribbon201910,302,857Low bend loss optical fiber with a germania doped core201910,302,013Composite thermal barrier for combustion chamber surfaces201910,288,827Optical fiber cable with impact resistant buffer tube201910,274,674Low bend loss single mode optical fiber with chlorine updoped cladding201910,228,509Low attenuation fiber with viscosity matched core and inner clad201910,221,089Optical fiber with low fictive temperature201910,215,914Light-diffusing optical fiber having nanostructured inner and outer core regions201910,215,915Low bend loss single mode optical fiber with bromine up-doped cladding201910,185,084Layered glass structures201910,183,885Laser cut composite glass article and method of cutting201910,162,109Multimode optical fibers for attenuators201810,150,695Low loss optical fibers with fluorine and chlorine codoped core regions201810,151,230Housing, fluid stream treatment article, exhaust system and methods of manufacturing201810,146,008Optical fibers having a varying clad index and methods of forming same201810,139,561Low-loss and low-bend-loss optical fiber201810,094,975Low loss single mode fiber with chlorine doped core201810,082,622Low bend loss optical fiber201810,048,438Low bend loss single mode optical fiber with chlorine updoped cladding201810,017,311Honeycomb assembly and packaging system201810,011,517Optical preforms and methods for forming the same20189,995,874Low diameter optical fiber20189,995,873Single-mode large effective area optical fibers20189,989,699Low bend loss single mode optical fiber20189,975,802Method for making low bend loss optical fiber preforms20189,975,799Methods and apparatuses for fabricating glass articles20189,964,701Methods of manufacturing wide-band multi-mode optical fibers and core preforms for the same using specific fluorine doping parameter and 850 nm alpha profile20189,939,599Rollable optical fiber ribbon20189,932,260Methods of making an optical fiber, and optical fiber20189,919,946'Method of making optical fibers in a reducing atmosphere'20189,908,803'Glass sheets with improved mechanical strength'20189,878,943'Optical fiber with reducing hydrogen sensitivity'20189,873,629Methods for producing optical fiber preforms with low index trenches20189,851,499Optical fiber with large effective area and low bending loss20179,851,501Low bend loss optical fiber20179,841,556'Non-circular multicore fiber and method of manufacture'20179,829,664Optical fiber cable with impact resistant buffer tube20179,802,858'Low loss optical fibers with fluorine and chlorine codoped core regions'20179,804,326'Optical fiber for multimode and single-mode transmission'20179,798,079'Low bend loss single mode optical fiber with chlorine updoped cladding'20179,776,907'Optical fibers and preforms with one step fluorine trench and overclad and methods for making the same'20179,778,413'Low attenuation fiber with stress relieving layer and a method of making such'20179,772,445'Low attenuation fiber with stress relieving layer and a method of making such'20179,757,675'Partial wall-flow filter and method'20179,701,564'Systems and methods of glass cutting by inducing pulsed laser perforations into glass articles'20179,701,563'Laser cut composite glass article and method of cutting'20179,695,081'Surface nitrided alkali-free glasses'20179,676,658'Method of making updoped cladding by using silicon tertrachloride as the dopant'20179,658,394'Low attenuation fiber with viscosity matched core and inner clad'20179,650,281'Optical fiber with reducing hydrogen sensitivity'20179,618,692'High chlorine content low attenuation optical fiber'20179,617,180'Methods and apparatuses for fabricating glass articles'20179,594,210'Optical fiber with large effective area and low bending loss'20179,594,212'Multimode optical fibers'20179,586,853'Method of making optical fibers in a reducing atmosphere'20179,540,272'Burner shield to reduce soot buildup'20179,522,826'Apparatus for mixing vaporized precursor and gas and method therefor'20169,519,101'Few moded optical fiber and system incorporating such'20169,519,102'Few moded optical fiber and system incorporating such'20169,481,599'Method of making a multimode optical fiber'20169,477,037'Optical fiber for silicon photonics'20169,435,917'Laser-processed grin lenses and optical interface devices and assemblies using same'20169,434,633'Glass sheets with improved mechanical strength'20169,360,619'Moatless bend-optimized multimode fiber'20169,309,143'Methods of making optical fiber with reduced hydrogen sensitivity'20169,290,405'Method of making updoped cladding by using silicon tertrachloride as the dopant'20169,188,736'Low bend loss optical fiber'20159,057,817'Low diameter optical fiber'20159,020,316'Low attenuation optical fibers with an F-graded index core'20158,977,092'Multimode optical fiber and system comprising such fiber'20158,965,163'Ge-P co-doped multimode optical fiber'20158,953,917'Low bend loss optical fiber'20158,925,354'Methods for forming an overclad portion of an optical fiber from pelletized glass soot'20158,891,925'Low bend loss optical fiber'20148,869,566'Soot radial pressing for optical fiber overcladding'20148,849,082'Low bend loss optical fiber'20148,842,957'Multimode optical fiber and system incorporating such'20148,840,858'Apparatus for mixing vaporized precursor and gas and method therefor'20148,837,890'Multimode optical fiber and system comprising such fiber'20148,814,974'Thin-walled porous ceramic wall-flow filter'20148,792,763'Bend resistant multimode optical fiber'20148,673,064'Partial wall-flow filter and method'20148,666,214'Low bend loss optical fiber'20148,588,568'Bend loss resistant multi-mode fiber'20138,588,569'Low bend loss optical fiber'20138,542,969'Low bend loss optical fiber'20138,538,219'Large effective area optical fiber with low bend loss'20138,516,804'Systems and methods for determining a particulate load in a particulate filter'20138,512,433'Low back pressure porous honeycomb and method'20138,488,932'Optical fiber with increased mechanical strength'20138,474,287'Microstructured transmission optical fiber'20138,468,852'Soot pressing for optical fiber overcladding'20138,467,649'Large effective area fiber'20138,464,556'Microstructured optical fibers and methods'20138,444,752'Particulate filters and methods of filtering particulate matter'20138,385,702'Bend resistant multimode optical fiber'20138,385,701'Low bend loss optical fiber'20138,322,166'Method of manufacturing optical fiber with selected draw tension'20128,315,495'Large effective area fiber with Ge-free core'20128,231,701'Particulate filters and methods for regenerating particulate filters'20128,187,353'Filtration structures for improved particulate filter performance'20128,175,437'Microstructured transmission optical fiber'20128,161,738'Systems and methods for estimating particulate load in a particulate filter'20128,137,469'Method and apparatus for making fused silica'20128,135,254'Microstructured transmission optical fiber'20128,069,658'Methods for estimating particulate load in a particulate filter, and related systems'20118,037,717'Methods and apparatus for pulsed doping or drying a soot preform'20118,020,410'Methods for making optical fiber preforms and microstructured optical fibers'20118,011,208'Reduction of optical fiber cane/preform deformation in consolidation'20117,930,904'Method of making an optical fiber having voids'20117,921,675'Methods for making optical fiber preforms and microstructured optical fibers'20117,903,917'Low bend loss single mode optical fiber'20117,844,154'Optical fiber for optical power transmission'20107,844,155'Optical fiber containing alkali metal oxide'20107,676,129'Bend-insensitive fiber with two-segment core'20107,620,282'Low bend loss single mode optical fiber'20097,603,015'Optical fiber with large effective area'20097,526,169'Low bend loss quasi-single-mode optical fiber and optical fiber line'20097,526,166'High numerical aperture fiber'20097,506,522'High refractive index homogeneity fused silica glass and method of making same'20097,505,660'Microstructured transmission optical fiber'20097,450,807'Low bend loss optical fiber with deep depressed ring'20087,450,806'Microstructured optical fibers and methods'20087,404,302'Method of depositing glass soot'20087,315,677'Dual dopant dual alpha multimode optical fiber'20087,103,251'Dispersion flattened NZDSF fiber'20067,089,766'Method of forming optical fiber preforms'20066,843,076'Single step laydown method of making dry fiber with complex fluorine doped profile'20056,813,907'Fluorine doping a soot preform'20046,418,261'Method to reduce warpage and polarization sensitivity of planar devices'20026,328,807'Chuck heater for improved planar deposition process'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2021Patents assigned to CORNING INC (160)· patent assignee history
2001–2012Based in Corning, NY, US· patent location history
2008–2021Based in Painted Post, NY, US· patent location history
2011–2020Patents assigned to TANDON PUSHKAR (43)· patent assignee history
2012–2016Patents assigned to BOOKBINDER DANA CRAIG (24)· patent assignee history
2012–2016Patents assigned to LI MING-JUN (23)· patent assignee history
2012–2016Patents assigned to BICKHAM SCOTT ROBERTSON (12)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CORNING INC1602001–2021
TANDON PUSHKARself432011–2020
BOOKBINDER DANA CRAIG242012–2016
LI MING-JUN232012–2016
BICKHAM SCOTT ROBERTSON122012–2016
Locations
LocationPatentsSpan
Painted Post, New York, US1552008–2021
Corning, New York, US142001–2012