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

Patenting In Technology Classes,
Breakout By Organization

Count of 2006 - 2010 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 2006 2007 2008 2009 2010 Total
GENERAL ELECTRIC COMPANY 39 46 50 63 48 246
~INDIVIDUALLY OWNED PATENT 34 29 29 14 26 132
UNITED TECHNOLOGIES CORPORATION 21 14 18 17 23 93
FLORIDA TURBINE TECHNOLOGIES, INC. 3 1 7 25 45 81
ROLLS-ROYCE PLC 13 12 10 7 11 53
PRATT & WHITNEY CANADA CORP. 6 15 7 18 2 48
ALSTOM TECHNOLOGY LTD 10 10 4 5 5 34
SIEMENS POWER GENERATION, INC. 8 15 11 0 0 34
SIEMENS ENERGY, INC. 0 0 0 14 16 30
SOCIETE NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION "S.N.E.C.M.A." 0 2 12 6 10 30
SIEMENS AKTIENGESELLSCHAFT 3 7 4 5 9 28
SIKORSKY AIRCRAFT CORPORATION 3 5 1 6 11 26
SNECMA MOTEURS 16 7 2 0 0 25
EUROCOPTER FRANCE S.A. 3 2 3 10 2 20
HAMILTON SUNDSTRAND CORPORATION 2 5 5 2 1 15
HONEYWELL INTERNATIONAL INC. 2 2 4 5 2 15
BOEING COMPANY 5 2 1 1 5 14
DELTA ELECTRONICS INC. 4 1 3 2 1 11
MITSUBISHI HEAVY INDUSTRIES, LTD. 3 2 1 4 1 11
VESTAS WIND SYSTEMS A/S 0 2 0 2 7 11
MTU AERO ENGINES GMBH 2 3 2 1 2 10
ROLLS-ROYCE DEUTSCHLAND LTD & CO KG 2 4 2 1 1 10
HITACHI, LTD 1 1 2 0 4 8
HUNTER FAN COMPANY 1 0 1 3 3 8
EUROCOPTER DEUTSCHLAND GMBH 0 5 1 0 1 7
LM GLASSFIBER A/S 0 3 2 0 2 7
TOSHIBA CORPORATION 2 3 0 1 1 7
AIR COOL INDUSTRIAL CO., LTD. 0 1 0 1 4 6
BELL HELICOPTER TEXTRON, INC. 1 0 0 1 3 5
ROLLS-ROYCE POWER ENGINEERING PLC 0 0 0 3 2 5
SPAL AUTOMOTIVE S.R.L. 0 1 3 0 1 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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