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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 - 2008 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 2005 2006 2007 2008 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 13 11 8 6 654
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 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 0 1 2 0 127
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 0 0 0 0 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 0 0 0 0 70
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 1 0 2 2 65
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 0 0 0 0 62
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 0 0 0 0 58
A. O. SMITH CORPORATION 1 4 0 1 0 0 0 0 1 0 0 0 3 0 0 0 0 1 2 7 6 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 31
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 0 0 0 0 31
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 1 2 0 2 30
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 1 4 4 4 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 0 0 0 0 28
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 0 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 0 0 0 0 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 5 1 0 0 0 0 0 23
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 0 0 0 0 21
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 1 0 1 2 18
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 0 0 0 0 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 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 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 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 0 0 0 0 15
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 2 0 0 0 15
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 3 0 0 0 15
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 0 0 0 0 14
PVI INDUSTRIES, LLC 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 0 0 2 0 14
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 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 0 0 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 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 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 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 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 0 0 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 0 0 0 0 9
AMERICAN WATER HEATER COMPANY 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 1 0 0 1 1 0 0 2 3 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 0 0 0 0 9
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 0 0 1 1 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 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 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 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 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 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 0 0 0 0 8
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 0 0 2 0 8
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 1 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 0 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 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 0 0 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 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 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 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 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 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 0 0 0 0 7
EMERSON ELECTRIC CO. 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 0 0 0 0 0 1 1 0 1 1 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 0 0 0 0 7
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 2 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 0 0 0 0 7
TLV CO., LTD. 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 0 0 0 0 0 0 1 0 2 0 3 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 0 0 0 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 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 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 0 0 0 0 5
AQUA MAX 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 1 0 1 0 0 0 0 2 0 0 0 0 0 0 1 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 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 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 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 0 0 0 0 5
KVAERNER POWER 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 0 0 0 0 0 1 1 1 0 1 1 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 0 0 0 0 5
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 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 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 0 0 0 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 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 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 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 0 0 0 0 5
UNITED TECHNOLOGIES CORPORATION 1 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 0 0 0 0 0 0 0 0 3 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 0 0 0 0 5



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