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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

Patenting In Technology Classes,
Breakout By Organization

Count of 1969 - 2004 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 122, Liquid Heaters and Vaporizers

( 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 Total
~Individually Owned Patent 17 22 19 17 20 20 7 10 15 13 16 25 26 13 32 33 24 25 26 17 23 20 12 8 9 17 11 11 6 16 15 14 11 10 25 11 616
COMBUSTION ENGINEERING INC. 9 4 6 6 4 7 6 0 7 3 4 6 9 4 9 9 6 2 5 0 1 1 0 0 1 7 0 1 0 7 3 4 0 0 0 0 131
BABCOCK & WILCOX COMPANY 3 4 2 1 3 3 1 2 3 1 1 3 2 0 0 7 5 1 3 8 5 2 4 3 9 6 4 9 3 6 5 4 3 3 3 2 124
FOSTER WHEELER ENERGY INTERNATIONAL, INC. 0 0 0 0 0 0 3 4 2 4 5 5 7 5 4 2 0 4 3 0 2 6 5 3 6 7 3 2 0 1 0 0 0 0 0 1 84
WESTINGHOUSE ELECTRIC CORP. 0 1 1 1 0 7 3 2 2 2 0 3 3 1 1 0 6 7 12 5 1 2 3 3 1 2 0 0 1 0 0 0 0 0 0 0 70
SULZER BROTHERS LTD. 7 4 6 5 4 5 0 2 2 0 2 1 2 3 2 5 6 2 0 3 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 62
SIEMENS AKTIENGESELLSCHAFT 0 1 4 0 1 3 9 3 0 0 0 0 0 0 0 0 0 0 0 1 3 2 3 1 0 2 0 2 2 4 3 2 4 6 3 1 60
FOSTER WHEELER CORPORATION 7 9 7 13 4 6 10 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 0 0 0 58
KRAFTWERK UNION AKTIENGESELLSCHAFT 0 0 0 1 2 2 4 3 1 1 2 4 3 0 1 3 0 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 31
A. O. SMITH CORPORATION 1 4 0 1 0 0 0 0 1 0 0 0 3 0 0 0 0 1 1 7 6 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 30
FRAMATOME ET CIE 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 2 2 0 4 0 3 1 1 1 0 4 1 3 0 0 0 0 2 0 0 0 28
AOS HOLDING COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 2 5 0 0 0 2 0 2 6 1 3 1 25
TOYODA JIDOSHOKKI SEISAKUSHO KABUSHIKI KAISHA 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 14 5 1 0 0 0 24
GENERAL ELECTRIC COMPANY 2 1 2 1 2 0 2 2 0 0 0 0 4 1 0 0 0 1 0 0 0 0 1 1 0 0 0 0 0 0 0 1 0 1 0 1 23
SRP 687 PTY 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 0 1 2 8 6 4 1 0 22
L. C. STEINMULLER GMBH 2 1 3 1 0 0 0 0 0 1 0 0 0 0 0 1 0 1 3 4 2 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 21
HITACHI, LTD 0 0 0 0 1 0 3 0 1 0 1 0 1 0 0 0 2 3 2 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 17
RHEEM MANUFACTURING COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 1 0 0 1 3 1 0 0 2 0 1 0 1 2 1 2 17
A. AHLSTROM CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 2 1 1 1 1 3 2 1 0 0 0 0 0 0 0 0 16
MITSUBISHI JUKOGYO KABUSHIKI KAISHA 0 0 3 0 0 2 0 0 0 0 0 0 0 1 0 0 0 1 1 2 1 1 0 1 1 0 0 0 1 1 0 0 0 0 0 0 16
GAS RESEARCH INSTITUTE 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 0 1 0 0 3 0 1 2 1 1 0 2 0 1 0 0 0 0 0 15
MIURA CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 1 1 2 0 0 0 0 3 3 1 0 2 15
BRADFORD-WHITE CORPORTION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2 0 1 0 1 1 1 3 0 1 1 0 1 0 0 0 0 1 14
COMMISSARIAT A L'ENERGIE ATOMIQUE 0 0 0 0 0 0 1 0 1 0 0 3 2 0 1 0 1 1 1 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 14
SHELL OIL COMPANY 0 0 1 1 1 1 0 0 1 0 0 0 0 0 1 0 0 0 0 1 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 13
PVI INDUSTRIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 2 1 0 1 0 1 0 2 1 0 1 0 0 0 0 12
THE WATER HEATER INDUSTRY JOINT RESEARCH AND DEVELOPMENT CONSORTIUM 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 1 0 5 1 4 12
AMERICAN STANDARD, INC. 0 1 1 1 3 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 1 0 0 0 0 11
AQUA-CHEM, INC. 1 1 0 2 0 0 0 1 1 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 2 0 0 11
EBARA CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 2 2 1 1 0 2 0 1 0 0 0 0 0 0 0 0 10
EXXON RESEARCH + ENGINEERING CO. 0 0 0 0 0 0 1 0 0 1 1 0 0 0 1 3 1 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 10
MOR-FLO INDUSTRIES, INC. 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 2 1 0 2 1 1 1 0 0 0 0 0 0 0 0 0 0 0 10
RILEY STOKER CORPORATION 1 2 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
TOSHIBA CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 2 2 2 0 0 10
ALSTOM (SWITZERLAND) 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 0 0 0 0 2 3 3 1 9
ASEA BROWN BOVERI AKTIENGESELLSCHAFT 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 0 0 4 3 1 0 0 0 0 9
DELTAK CORPORATION 0 0 0 0 1 0 0 2 0 0 1 1 0 0 2 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 9
ELECTRODYNE RESEARCH CORP. 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
PHILLIPS PETROLEUM COMPANY 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 2 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
STATE INDUSTRIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2 0 0 1 2 0 1 0 0 0 0 0 0 0 1 1 0 0 0 0 9
BABCOCK SWINE, INC. 1 1 1 0 1 2 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 0 0 0 8
DEUTSCHE BABCOCK WERKE AKTIENGESELLSCHAFT 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 1 2 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 8
INSTITUTE OF GAS TECHNOLOGY 0 0 0 0 0 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 1 0 0 0 0 1 0 0 0 8
LUMMUS COMPANY 1 0 0 1 0 1 1 1 1 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 8
METALLGESELLSCHAFT AKTIENGESELLSCHAFT 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 1 0 1 0 1 0 0 0 0 0 1 0 0 1 0 0 8
STEIN INDUSTRIES, INC. 0 0 0 0 0 0 0 0 0 0 2 0 4 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
SUNDSTRAND CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 3 1 2 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 8
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 2 2 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
UOP 1 0 2 0 0 2 0 0 0 0 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
AB GOTAVERKEN 0 0 0 2 1 2 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 0 0 0 7
BABCOCK-HITACHI KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 2 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 7
BBC BROWN, BOVERI & COMPANY, LIMITED 0 0 0 0 0 0 0 0 0 0 0 1 2 0 1 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
GIANT FACTORIES 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 1 0 0 1 0 0 1 2 2 7
HALLIBURTON CO. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
THERMO ELECTRON CORPORATION 1 1 0 0 0 2 1 0 1 0 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 7
ELECTRIC POWER RESEARCH INSTITUTE, INC. 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 6
FOSTER WHEELER ENERGIA 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 0 0 0 1 0 0 0 2 1 1 1 0 6
MARK IV TRANSPORTATION PRODUCTS 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 1 1 2 1 1 0 0 0 0 0 0 0 6
SOCIETE ANONYME DITE: STEIN INDUSTRIE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
ABB STAL AB 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 5
ASEA-STAL AB 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
DAEWOO ELECTRONICS COMPANY, 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 2 2 0 0 0 0 0 5
DONLEE TECHNOLOGIES INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 5
DOW CHEMICAL COMPANY 2 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
FOSTER WHEELER DEVELOPMENT CORPORATION 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 1 1 0 0 0 0 1 0 0 0 0 0 0 5
KVAERNER PULPING 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 0 0 0 0 0 1 0 0 3 0 1 0 5
NIPPON FURNACE KOGYO KABUSHIKI KAISHA 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 1 1 1 1 0 0 0 0 0 5
NOVATOME 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
PALOMA KOGYO KABUSHIKI KAISHA 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 0 0 0 0 1 0 5
PARKINSON COWAN GWB LIMITED 0 0 0 0 0 0 0 0 1 2 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
ROCKWELL INTERNATIONAL CORPORATION 0 0 0 0 1 0 1 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
SIOUX STEAM CLEANER CORPORATION 0 1 0 0 0 1 0 1 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 5
STEIN INDUSTRIE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 5
VAPOR CORPORATION 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 2 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 5


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Skip menu navigation Home > Listing of Viewable PTMD Reports > Table of Contents for This Set of Reports