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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Team (PTMT)

Patenting In Technology Classes,
Breakout By Organization

Count of 1969 - 2007 Utility Patent Grants,
By Calendar Year of Grant
With Patent Counts Based on Primary Patent Classification

- Explanation of Data -

Rank Ordered Listing of Organizations Receiving 5 or More Utility Patents During the Period
Having Primary Classification In

Class 065, Glass Manufacturing

( technology class is determined by the primary classification assigned to the patent- see 'Explanation of Data' )
( patent ownership is determined by the first-named assignee listed on a patent )

The following table displays first-named assignees and counts of their associated patents, as distributed by the year of patent grant.
First-Named Assignee 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 Total
PPG INDUSTRIES INC. 19 28 35 20 32 46 43 41 44 43 22 37 36 50 22 19 30 27 26 26 13 18 12 4 1 3 4 1 4 6 3 0 0 0 0 0 0 0 0 715
CORNING INCORPORATED 30 21 33 15 23 12 12 13 23 18 13 31 27 21 8 15 15 10 7 21 15 23 15 18 13 10 5 8 18 14 12 11 28 28 19 31 13 10 6 665
~INDIVIDUALLY OWNED PATENT 16 15 21 20 20 36 19 20 11 15 14 20 21 26 20 10 20 11 7 2 14 10 4 13 8 13 4 6 5 11 22 8 7 18 12 8 10 9 5 531
OWENS-CORNING FIBERGLAS CORPORATION 10 23 23 19 11 15 22 15 15 3 13 17 32 48 16 20 23 17 17 9 9 5 3 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 388
OWENS-ILLINOIS INC. 29 29 31 18 29 30 13 16 14 9 9 7 12 10 10 10 9 5 2 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 293
EMHART INDUSTRIES, INC. 1 2 11 2 8 5 5 3 7 3 0 2 9 2 6 10 27 21 28 22 18 5 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 205
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. 0 0 0 0 0 0 1 0 0 1 1 2 1 2 2 1 3 4 9 7 7 10 5 8 14 14 6 3 13 3 5 6 3 5 8 6 10 5 0 165
LIBBEY-OWENS-FORD COMPANY 23 15 13 15 12 4 6 3 13 8 2 4 3 3 1 0 2 2 2 1 4 3 5 2 2 4 1 1 0 3 0 0 1 0 0 0 1 0 0 159
AT&T CORP. 0 2 0 1 1 2 5 8 8 3 2 6 9 8 10 8 8 10 6 4 7 11 8 10 7 8 4 1 0 0 0 0 0 0 0 0 0 0 0 157
PILKINGTON BROTHERS LIMITED 24 11 19 21 9 11 11 11 4 9 0 8 0 1 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 142
NIPPON SHEET GLASS CO., LTD. 3 8 7 6 3 2 2 0 0 0 2 1 3 0 0 0 2 2 4 7 1 4 6 9 2 6 0 2 0 1 1 3 3 6 7 6 0 4 4 117
U.S. PHILIPS CORPORATION 1 1 4 0 2 7 9 8 8 2 2 1 4 4 4 5 1 3 8 7 10 6 1 4 3 2 0 0 1 2 1 1 2 0 0 0 0 0 0 114
GLASSTECH, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 4 5 2 4 0 5 8 13 5 1 2 2 4 1 12 5 5 4 5 2 0 1 3 96
OWENS-BROCKWAY GLASS CONTAINER INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 6 9 15 19 8 9 9 4 5 4 2 3 95
ASAHI GLASS COMPANY, LTD. 0 1 1 1 2 1 0 2 1 1 0 0 0 1 1 0 1 2 1 4 4 2 3 4 3 2 1 1 3 8 7 4 8 8 3 4 5 3 1 94
HOYA CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 1 2 7 5 5 8 2 0 1 0 0 1 3 8 3 7 9 8 5 7 4 90
SAINT-GOBAIN VITRAGE 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 1 6 2 6 8 17 11 5 2 1 0 0 0 2 5 5 6 1 1 0 0 0 0 0 82
SAINT-GOBAIN INDUSTRIES 0 0 0 1 6 11 0 4 6 19 6 12 10 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 77
SCHOTT GLASWERKE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 2 8 6 3 5 3 2 0 2 1 2 3 2 1 6 3 11 8 1 1 74
EMHART GLASS S.A. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 14 5 8 4 7 21 4 1 1 66
FORD MOTOR COMPANY 12 8 3 1 1 1 2 2 1 1 0 1 1 0 1 0 1 1 4 3 3 0 2 3 3 0 2 1 2 3 2 1 0 0 0 0 0 0 0 66
OWENS-CORNING FIBERGLAS TECHNOLOGY, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 4 18 11 7 3 9 2 0 4 0 0 2 65
GLAVERBEL S.A. 6 14 7 12 10 7 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 58
LUCENT TECHNOLOGIES INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 7 4 12 11 5 3 2 6 0 0 1 57
AMERICAN OPTICAL CORPORATION 5 1 4 3 9 1 9 4 9 2 4 2 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 55
EMHART GLASS MACHINERY INVESTMENTS INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 10 7 3 12 7 13 2 0 0 0 0 0 0 0 0 55
SIEMENS AKTIENGESELLSCHAFT 0 0 1 0 0 1 2 2 4 2 5 2 8 1 3 0 2 3 1 3 4 0 1 0 3 0 1 0 0 0 1 1 1 1 0 0 0 0 0 53
SAINT-GOBAIN VITRAGE INTERNATIONAL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 13 9 7 9 3 3 5 0 0 1 0 0 0 0 0 0 0 52
HERAEUS QUARZGLAS GMBH & CO. KG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 2 0 6 7 2 3 5 4 5 5 1 5 1 49
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 0 0 1 0 0 0 1 0 0 0 0 1 1 0 0 0 1 2 1 1 2 0 3 7 4 2 0 1 3 4 2 3 0 1 4 3 0 0 1 49
SHIN ETSU CHEMICAL CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 1 0 2 1 1 0 1 1 2 0 1 0 1 3 2 7 5 7 4 3 3 48
COMPAGNIE DE SAINT-GOBAIN-PONT-A-MOUSSON 11 9 10 10 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 42
GENERAL ELECTRIC COMPANY 2 2 6 3 4 2 4 0 2 0 1 1 1 0 0 0 0 2 0 0 1 0 0 1 0 1 0 0 0 0 0 1 0 0 2 2 1 0 0 39
ISOVER SAINT-GOBAIN 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 3 2 2 3 4 0 0 0 2 4 2 0 0 1 2 3 3 1 0 1 0 1 0 0 37
CANON KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 2 1 0 1 2 2 6 3 4 0 3 5 4 0 0 1 0 0 0 1 0 36
ALCATEL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 5 7 5 8 2 3 3 0 35
CENTRAL GLASS COMPANY, LIMITED 0 0 0 0 0 0 0 2 3 1 0 0 2 3 2 2 0 0 3 1 1 2 3 4 0 1 1 0 0 0 0 1 0 0 1 0 0 2 0 35
SAMSUNG ELECTRONICS CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 7 3 2 6 8 4 3 0 1 35
TOSHIBA CORPORATION 0 12 5 5 2 1 0 0 0 3 0 0 0 0 1 0 0 0 0 0 1 2 1 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 35
NIPPON TELEGRAPH & TELEPHONE CORP. 0 0 0 0 0 0 1 1 1 0 0 1 0 6 12 2 1 1 0 0 4 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 34
FURUKAWA ELECTRIC CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 3 0 0 1 3 1 2 1 1 0 4 1 2 1 5 3 2 0 0 33
ITT CORPORATION 0 1 0 0 0 2 0 1 2 3 0 6 4 0 0 5 0 3 0 3 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 33
JOHNS-MANVILLE CORPORATION 0 2 3 1 4 6 1 4 4 2 3 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 33
BALL CORPORATION 0 1 2 0 2 1 0 1 1 0 4 0 2 3 3 2 3 2 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 31
GTE PRODUCTS CORPORATION 1 2 4 0 1 0 2 1 0 0 3 0 0 0 0 1 2 3 2 1 1 3 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 30
NITTO BOSEKI CO., LTD. 0 0 0 0 0 0 0 0 0 5 8 2 1 0 3 0 0 0 1 1 0 0 1 1 0 0 1 0 0 0 0 0 0 0 2 0 0 1 1 28
UNITED STATES OF AMERICA, NAVY 1 0 0 0 1 0 2 0 1 2 0 0 1 1 1 2 1 1 0 0 0 0 0 2 1 2 0 0 0 2 2 2 1 0 1 0 0 0 1 28
SCHOTT AG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 19 7 27
INTERNATIONAL STANDARD ELECTRIC CORPORATION (ITT CORP. UNIT) 0 0 0 0 0 1 0 3 2 5 3 6 0 1 1 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 26
RCA CORPORATION 2 2 0 0 0 3 2 3 1 1 2 0 0 1 1 1 1 5 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 26
CSELT - CENTRO STUDI E LABORATORI TELECOMUNICAZIONI S.P.A. 0 0 0 0 0 0 0 0 0 0 0 1 0 1 2 1 1 3 5 3 2 3 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 24
FUJIKURA LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 5 5 3 1 1 0 0 0 0 0 0 0 0 1 1 2 1 24
VITRO TEC FIDEICOMISO 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 4 3 2 8 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 24
ANCHOR HOCKING CORPORATION 3 7 5 2 1 1 0 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 23
FITEL U.S.A. CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9 7 3 1 3 0 23
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 1 0 0 0 0 0 0 1 0 1 0 0 2 1 0 1 1 3 0 1 0 1 2 3 0 0 0 2 1 0 1 0 0 0 0 0 0 0 1 23
GLAVERBEL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 0 2 1 1 5 0 3 1 0 0 1 0 2 0 1 0 0 0 0 0 0 0 21
TRIPLEX SAFETY GLASS COMPANY LIMITED 1 1 1 0 2 3 5 2 0 1 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 21
JENAER GLASWERK SCHOTT + GEN 0 1 1 0 1 2 1 4 3 1 1 1 1 1 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20
MAUL TECHNOLOGY CORPORATION 2 1 4 1 1 1 2 0 0 0 0 0 1 0 1 1 2 0 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20
JOHNS MANVILLE INTERNATIONAL, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 4 3 3 1 1 1 1 0 19
NIPPON ELECTRIC GLASS COMPANY LIMITED 0 0 0 2 1 1 0 1 1 0 0 0 1 0 0 0 0 1 0 0 0 1 2 0 1 0 0 0 0 1 0 0 0 0 2 1 2 1 0 19
PILKINGTON GLASS LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 3 5 8 1 0 0 0 0 0 0 0 0 19
TAMGLASS ENGINEERING OY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 6 4 1 1 0 2 0 0 1 0 0 0 0 0 19
EASTMAN KODAK COMPANY 0 1 1 0 0 2 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 5 1 0 2 2 0 0 0 1 0 18
INTERNATIONAL BUSINESS MACHINES CORPORATION 1 0 0 2 1 2 1 3 2 0 0 0 0 0 0 0 0 1 0 0 0 0 1 1 1 0 1 0 0 0 0 0 0 1 0 0 0 0 0 18
PERMAGLASS INC. 7 4 7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18
BETEILIGUNGEN SORG GMBH & CO. KG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 4 2 3 2 0 1 1 0 0 0 1 0 0 17
BFG GLASSGROUP 0 0 0 0 0 0 0 0 0 4 0 3 4 5 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 17
GUARDIAN INDUSTRIES CORPORATION 0 0 0 1 2 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 1 0 1 0 0 0 1 1 0 1 5 0 1 1 17
L'AIR LIQUIDE, SOCIETE ANONYME A DIRECTOIRE ET CONSEIL DE SURVEILLANCE POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 0 2 0 2 1 0 0 1 0 0 2 1 2 2 0 0 0 0 0 0 17
NIKON CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 2 3 2 3 1 3 0 0 0 17
TAMGLASS OY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 2 6 6 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 17
HITACHI, LTD 0 0 0 0 0 0 0 0 0 2 0 1 3 5 0 2 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 16
PILKINGTON PLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 4 1 1 1 0 0 0 2 1 0 0 0 1 1 0 1 0 16
PPG INDUSTRIES OHIO INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 5 1 0 1 1 0 1 3 16
WESTINGHOUSE ELECTRIC CORP. 3 0 0 1 0 0 1 1 1 0 3 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 15
ALCATEL N. V. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 0 3 2 3 0 0 0 0 0 1 0 0 1 0 0 0 0 14
BAYER AKTIENGESELLSCHAFT 0 0 0 0 0 1 1 0 0 1 0 0 0 2 1 0 4 0 1 0 1 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 14
BROCKWAY, INC. 2 1 3 0 2 1 1 0 0 0 0 1 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 14
GAS RESEARCH INSTITUTE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 1 1 0 0 1 0 0 0 0 3 5 0 0 0 0 0 0 0 0 0 14
HERAEUS QUARZSCHMELZE GMBH 0 0 0 0 0 0 0 0 1 0 1 1 0 0 3 0 0 1 2 0 2 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 14
SAINT-GOBAIN GLASS FRANCE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 2 2 1 1 3 14
UNITED TECHNOLOGIES CORPORATION 0 0 0 1 0 0 0 0 0 0 0 0 0 0 2 3 0 1 0 1 1 3 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 14
BOC GROUP, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 3 0 0 0 2 0 4 0 1 1 13
HUGHES AIRCRAFT COMPANY 1 0 0 1 0 0 0 0 0 0 0 0 1 1 1 0 0 0 2 0 1 2 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13
LYNCH CORPORATION 1 1 5 0 0 0 3 2 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13
OLYMPUS OPTICAL CO., LTD. 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 2 1 0 3 1 1 2 0 0 0 0 0 0 13
POLAROID CORPORATION 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 1 2 4 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13
TOSHIBA MACHINE CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 0 0 0 1 2 0 0 1 0 2 2 1 0 13
GTE LABORATORIES, INC. 0 0 0 0 0 2 0 0 0 1 0 0 0 1 2 0 1 0 2 1 0