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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

Patenting In Technology Classes,
Breakout By Organization

Count of 2005 - 2009 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 2005 2006 2007 2008 2009 Total
GENERAL ELECTRIC COMPANY 39 39 46 50 63 237
~INDIVIDUALLY OWNED PATENT 30 34 29 29 14 136
UNITED TECHNOLOGIES CORPORATION 13 21 14 18 17 83
PRATT & WHITNEY CANADA CORP. 5 6 15 7 18 51
ROLLS-ROYCE PLC 9 13 12 10 7 51
FLORIDA TURBINE TECHNOLOGIES, INC. 2 3 1 7 25 38
SIEMENS POWER GENERATION, INC. 0 8 15 11 0 34
ALSTOM TECHNOLOGY LTD 1 10 10 4 5 30
SNECMA MOTEURS 4 16 7 2 0 29
SIKORSKY AIRCRAFT CORPORATION 6 3 5 1 6 21
EUROCOPTER FRANCE S.A. 2 3 2 3 10 20
SIEMENS AKTIENGESELLSCHAFT 1 3 7 4 5 20
SOCIETE NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION "S.N.E.C.M.A." 0 0 2 12 6 20
HAMILTON SUNDSTRAND CORPORATION 1 2 5 5 2 15
HONEYWELL INTERNATIONAL INC. 2 2 2 4 5 15
HUNTER FAN COMPANY 9 1 0 1 3 14
SIEMENS ENERGY, INC. 0 0 0 0 14 14
DELTA ELECTRONICS INC. 3 4 1 3 2 13
MITSUBISHI HEAVY INDUSTRIES, LTD. 2 3 2 1 4 12
BOEING COMPANY 0 5 2 1 1 9
ROLLS-ROYCE DEUTSCHLAND LTD & CO KG 0 2 4 2 1 9
MTU AERO ENGINES GMBH 0 2 3 2 1 8
LM GLASSFIBER A/S 2 0 3 2 0 7
EUROCOPTER DEUTSCHLAND GMBH 0 0 5 1 0 6
LG ELECTRONICS INC. 2 1 3 0 0 6
TOSHIBA CORPORATION 0 2 3 0 1 6
HITACHI, LTD 1 1 1 2 0 5
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 1 1 1 0 2 5
SIEMENS WESTINGHOUSE POWER CORPORATION 4 1 0 0 0 5


PTMT Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

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

address of PTMT pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


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