Inventor

David J. Kerko

Inventor

Corning, NY, US

Overview

38→

Patents

1976–2004

Patent span

Chemistry

Primary field (CPC C)

Patents· 38 as inventor

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

C03Cprimary

C03CChemical composition of glasses, glazes or vitreous enamels49%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests16%

Y10TTechnical subjects covered by former us classification9%

C03BManufacture, shaping, or supplementary processes6%

G02BOptical elements, systems or apparatus4%

G02CSpectacles4%

B29DProducing particular articles from plastics or from substances in a plastic state3%

B29CShaping or joining of plastics1%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts1%

B29LIndexing scheme associated with subclass b29c, relating to particular articles1%

PatentTitleYear

6,811,727'Ophthalmic filter materials'2004 6,606,885'Infrared, glass polarizer and method'2003 6,363,748'Method of making protective filter lens'2002 6,197,711'Protective filter lens'2001 6,177,371'Photochromic glass and lens'2001 6,165,922'Photochromic glass and lens'2000 6,037,283'Plus power, photochromatic glass lenses'2000 5,973,865'Ophthalmic filter materials'1999 5,728,189'Method of altering the visible absorption characteristics of permanently tinted photochromic glasses'1998 5,729,381'Glasses for laser protection'1998 5,639,701'Permanent tint photochromic glasses'1997 5,627,114'Laser eyewear protection'1997 5,607,493'Method of making non-photochromic optical filter glasses'1997 5,540,745'Glasses for laser protection'1996 5,534,041'Method of making laser eyewear protection'1996 5,491,117'Optical filter glasses'1996 5,482,902'Brown-photochromic glasses'1996 5,405,811'Ultraviolet absorbing, fixed tint green sunglass'1995 5,403,789'Ultraviolet absorbing, fixed tint brown sunglass'1995 5,268,335'Fast strengthening glass lenses'1993 5,256,601'Slow fading photochromic glass'1993 5,256,607'Neutral, ultraviolet absoring, fixed tint lenses'1993 5,244,845'Multipurpose photochromic brown glasses'1993 5,232,637'Ophthalmic lens method'1993 4,979,976'Making colored photochromic glasses'1990 4,786,305'Heat treatment of flat photochromic sheet glass'1988 4,608,349'Photochromic glass compositions for lightweight lenses'1986 4,550,087'Photochromic comfort glasses'1985 4,549,894'Ultraviolet absorbing photochromic glass of low silver content'1985 4,407,966'Very fast fading photochromic glass'1983 4,374,931'Photochromic glass suitable for ophthalmic applications'1983 4,358,542'Photochromic glass suitable for microsheet and simultaneous heat treatment and shaping'1982 4,168,339'Photochromic microsheet'1979 4,148,661'Photochromic sheet glass compositions and method'1979 4,076,544'Copper-cadmium-silver photochromic glass'1978 4,043,781'Method for making a brown photochromic glass'1977 4,018,965'Photochromic sheet glass compositions and articles'1977 3,957,499'Fast-fading index-corrected photochromic glass compositions'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1988Patents assigned to CORNING GLASS WORKS (13)· patent assignee history

1976–2003Based in Corning, NY, US· patent location history

1990–2004Patents assigned to CORNING INC (21)· patent assignee history

2000–2002Patents assigned to CORNING SA (4)· patent assignee history

2004Based in Sunset, SC, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CORNING INC	21	1990–2004
CORNING GLASS WORKS	13	1976–1988
CORNING SA	4	2000–2002

Locations

Location	Patents	Span
Corning, New York, US	37	1976–2003
Sunset, SC, US	1	2004