Inventor
Krishan Lal Luthra
Inventor
Schenectady, NY, US
Overview
Patents· 49 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C04Bprimary
C04BLime, magnesia25%
Y10TTechnical subjects covered by former us classification13%
C23CCoating metallic material11%
F01DNon-positive displacement machines or engines, e.g. steam turbines10%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants8%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form8%
Y02TClimate change mitigation technologies related to transportation6%
F02CGas-turbine plants2%
H01JElectric discharge tubes or discharge lamps2%
B05DProcesses for applying fluent materials to surfaces, in general1%
PatentTitleYear
11,072,565Ceramic matrix composite structures with controlled microstructures fabricated using chemical vapor infiltration (CVI)202111,066,339Article for high temperature service202110,954,168Ceramic matrix composite articles and methods for forming same202110,927,046EBC with mullite bondcoat having a non-oxide silicon ceramic202110,822,998High temperature tolerant ceramic matrix composites and environmental barrier coatings202010,618,848Ceramic matrix composites made by chemical vapor infiltration and methods of manufacture thereof202010,584,070Ceramic matrix composites having monomodal pore size distribution and low fiber volume fraction202010,371,064Method and system to increase gas turbine engine durability201910,280,760Turbine engine assembly and method of assembling the same201910,093,586Ceramic matrix composite articles and methods for forming same201810,094,236Recession resistant ceramic matrix composites and environmental barrier coatings20189,850,174Ceramic matrix composites having monomodal pore size distribution and low fiber volume fraction20179,365,725'Articles for high temperature service and methods for their manufacture'20169,341,412'Methods and systems for reducing silica recession in silicon-containing materials'20168,168,259'Articles for high temperature service and methods for their manufacture'20128,105,683'Treated refractory material and methods of making'20127,968,217'Articles for high temperature service and methods for their manufacture'20117,910,172'Method for fabricating a component having an environmental barrier coating'20117,595,114'Environmental barrier coating for a component and method for fabricating the same'20096,974,619'Hierarchical materials'20056,969,555'Aluminate coating for a silicon containing substrate'20056,844,075'Environmental barrier coating'20056,820,334'Method for repairing articles of ceramic composites'20046,630,200'Method of making a ceramic with preferential oxygen reactive layer'20036,517,341'Method to prevent recession loss of silica and silicon-containing materials in combustion gas environments'20036,410,148'Silicon based substrate with environmental/ thermal barrier layer'20026,387,456'Silicon based substrate with environmental/thermal barrier layer'20026,365,233'Silicon-doped boron nitride coated fibers in silicon melt infiltrated composites'20026,347,446'Method of making silicon carbide-silicon composite having improved oxidation resistance'20026,312,763'Silicon based substrate with yttrium silicate environmental/thermal barrier layer'20016,299,988'Ceramic with preferential oxygen reactive layer'20016,296,941'Silicon based substrate with yttrium silicate environmental/thermal barrier layer'20016,296,942'Silicon based substrate with calcium aluminosilicate environmental/thermal barrier layer'20016,284,325'Silicon based substrate with calcium aluminosilicate/thermal barrier layer'20016,110,527'Silicon carbide composite with metal nitride coated fiber reinforcement'20006,074,750'Silicon carbide composite with metal nitride coated fiber reinforcement'20005,962,103'Silicon carbide-silicon composite having improved oxidation resistance and method of making'19995,952,100'Silicon-doped boron nitride coated fibers in silicon melt infiltrated composites'19995,628,938'Method of making a ceramic composite by infiltration of a ceramic preform'19975,552,352'Silicon carbide composite with coated fiber reinforcement'19965,294,489'Protective coating with reactive interlayer on reinforcement in silicon carbide composite'19945,080,862'Iridium silicon alloy'19925,077,140'Coating systems for titanium oxidation protection'19914,933,309'Process for producing a ceramic composite reinforced with noble metal coated ceramic fibers'19904,921,822'Ceramic composite'19904,620,129'Gettered high pressure sodium lamp'19864,620,128'Tungsten laden emission mix of improved stability'19864,617,492'High pressure sodium lamp having improved pressure stability'19864,340,399'Method of removing alkali metal contamination from a gaseous stream'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–2021Patents assigned to GEN ELECTRIC (49)· patent assignee history
1982–2021Based in Schenectady, NY, US· patent location history
1997–2021Based in Niskayuna, NY, US· patent location history
2001–2002Patents assigned to NASA (6)· patent assignee history
2001–2002Patents assigned to UNITED TECHNOLOGIES CORP (6)· patent assignee history
2012–2016Patents assigned to LUTHRA KRISHAN LAL (3)· patent assignee history
2012–2016Patents assigned to MESCHTER PETER JOEL (3)· patent assignee history
2019Based in Guilderland, NY, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 49 | 1982–2021 |
| NASA | 6 | 2001–2002 |
| UNITED TECHNOLOGIES CORP | 6 | 2001–2002 |
| LUTHRA KRISHAN LALself | 3 | 2012–2016 |
| MESCHTER PETER JOEL | 3 | 2012–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Schenectady, New York, US | 27 | 1982–2021 |
| Niskayuna, New York, US | 20 | 1997–2021 |
| Guilderland, New York, US | 2 | 2019 |