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

Patenting In Technology Classes,
Breakout By Organization

Count of 2009 - 2013 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 277, Seal for a Joint or Juncture

( 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 2009 2010 2011 2012 2013 Total
NOK CORPORATION 3 15 13 10 13 54
GENERAL ELECTRIC COMPANY 3 5 5 9 13 35
~INDIVIDUALLY OWNED PATENT 2 6 8 13 6 35
FREUDENBERG-NOK GENERAL PARTNERSHIP 1 10 10 4 7 32
EAGLE INDUSTRY CO., LTD. 1 3 7 6 10 27
ISHIKAWA GASKET CO. LTD. 3 5 5 3 1 17
ELRING KLINGER AG 2 6 4 4 0 16
UNITED TECHNOLOGIES CORPORATION 0 3 5 6 2 16
FEDERAL-MOGUL CORP. 0 2 1 1 11 15
STEIN SEAL COMPANY 0 0 5 3 7 15
ROLLS-ROYCE PLC 0 3 3 3 5 14
GM GLOBAL TECHNOLOGY OPERATIONS LLC 0 3 2 3 5 13
FEDERAL-MOGUL WORLD WIDE, INC. 0 2 6 3 1 12
AES ENGINEERING LIMITED 0 7 4 0 0 11
DANA AUTOMOTIVE SYSTEMS GROUP, LLC. 1 1 2 5 2 11
AKTIEBOLAGET SKF 0 1 2 3 3 9
MTU AERO ENGINES GMBH 2 2 2 1 2 9
EATON CORPORATION 0 1 3 1 3 8
NIPPON PILLAR PACKING CO. LTD. 0 2 2 2 2 8
SKF USA INC. 1 3 3 1 0 8
CARL FREUDENBERG KG 0 2 1 2 2 7
EAGLEBURGMANN GERMANY GMBH & CO. KG 0 1 2 3 1 7
FEDERAL-MOGUL BURSCHEID GMBH 1 0 1 2 3 7
KALSI ENGINEERING, INC. 1 2 2 0 2 7
A. W. CHESTERTON COMPANY 1 3 1 1 0 6
ALSTOM TECHNOLOGY LTD 1 1 1 1 2 6
FLORIDA TURBINE TECHNOLOGIES, INC. 0 0 2 4 0 6
HONEYWELL INTERNATIONAL INC. 1 1 1 3 0 6
NTN CORPORATION 1 0 1 0 4 6
UCHIYAMA MANUFACTURING CORP. 0 2 3 0 1 6
BAKER HUGHES INCORPORATED 0 1 3 0 1 5
CROSS MANUFACTURING COMPANY (1938) LIMITED 0 1 1 2 1 5
FEDERAL-MOGUL SEALING SYSTEMS GMBH 0 2 0 1 2 5
MAHLE INTERNATIONAL GMBH 0 0 2 2 1 5
MITSUBISHI HEAVY INDUSTRIES, LTD. 0 0 1 2 2 5
PARKER-HANNIFIN CORPORATION 0 0 1 2 2 5
VETCO GRAY INC 0 0 0 3 2 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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