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


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 2000 - 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 416, Fluid Reaction Surfaces (i.e., Impellers)

( 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 2000 2001 2002 2003 2004 Total
GENERAL ELECTRIC COMPANY 28 46 77 44 44 239
~Individually Owned Patent 43 36 42 29 35 185
UNITED TECHNOLOGIES CORPORATION 18 19 9 5 5 56
MITSUBISHI HEAVY INDUSTRIES, LTD. 20 10 4 2 4 40
ROLLS-ROYCE PLC 5 7 5 12 1 30
EUROCOPTER FRANCE S.A. 13 4 5 0 1 23
ALSTOM (SWITZERLAND) LTD 0 0 11 9 1 21
SIEMENS AKTIENGESELLSCHAFT 2 1 1 6 9 19
BOEING COMPANY 3 2 7 2 4 18
KING OF FANS, INC. 1 6 3 4 2 16
SIKORSKY AIRCRAFT CORPORATION 2 3 3 3 2 13
EMERSON ELECTRIC CO. 1 5 3 1 1 11
HITACHI, LTD 1 0 4 3 3 11
SIEMENS WESTINGHOUSE POWER CORPORATION 3 2 0 3 3 11
SNECMA MOTEURS 0 0 2 3 6 11
BORGWARNER INC. 0 2 3 3 1 9
HUNTER FAN COMPANY 1 1 1 2 4 9
ALLIED-SIGNAL INC. 5 3 0 0 0 8
LASKO HOLDINGS, INC. 4 2 1 1 0 8
LG ELECTRONICS INC. 0 1 2 1 4 8
TOSHIBA CORPORATION 2 3 2 0 1 8
ADVANCED TECHNOLOGY INSTITUTE OF COMMUTER-HELICOPTER, LTD. 2 4 1 0 0 7
ASEA BROWN BOVERI AKTIENGESELLSCHAFT 3 3 1 0 0 7
EUROCOPTER DEUTSCHLAND GMBH 2 2 1 2 0 7
HAMILTON SUNDSTRAND CORPORATION 0 0 2 3 2 7
PRATT & WHITNEY CANADA CORP. 1 2 2 1 1 7
ALOHA HOUSEWARES CO. LTD. 3 1 2 0 0 6
HONEYWELL INTERNATIONAL INC. 0 0 4 1 1 6
ZF LUFTFAHRTTECHNIK GMBH 2 0 1 2 1 6
ANGELO FAN BRACE LICENSING, L.L.C. 1 0 1 2 1 5
BELL HELICOPTER TEXTRON, INC. 0 1 2 1 1 5
BRUNSWICK CORPORATION 0 1 4 0 0 5
DELTA ELECTRONICS INC. 0 1 2 1 1 5
ITT MANUFACTURING ENTERPRISES, INC. 2 2 0 1 0 5
MCDONNELL DOUGLAS HELICOPTER CO. 2 2 0 0 1 5
MINKA LIGHTING, INC. 1 2 1 1 0 5
TURNING POINT PROPELLERS, INC. 0 0 2 1 2 5


PTMD Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
MDW 4C18; P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

address of PTMD pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMD reports and materials from : ftp.uspto.gov/pub/taf/


Top

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