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


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

Patenting In Technology Classes,
Breakout By Organization

Count of 2008 - 2012 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 2008 2009 2010 2011 2012 Total
NOK CORPORATION 3 3 15 13 10 44
~INDIVIDUALLY OWNED PATENT 5 2 6 8 13 34
FREUDENBERG-NOK GENERAL PARTNERSHIP 2 1 10 10 4 27
GENERAL ELECTRIC COMPANY 1 3 5 5 9 23
ELRING KLINGER AG 4 2 6 4 4 20
EAGLE INDUSTRY CO., LTD. 2 1 3 7 6 19
FEDERAL-MOGUL WORLD WIDE, INC. 8 0 2 6 3 19
ISHIKAWA GASKET CO. LTD. 2 3 5 5 3 18
UNITED TECHNOLOGIES CORPORATION 3 0 3 5 6 17
ROLLS-ROYCE PLC 4 0 3 3 3 13
AES ENGINEERING LIMITED 0 0 7 4 0 11
DANA AUTOMOTIVE SYSTEMS GROUP, LLC. 0 1 1 2 5 9
GM GLOBAL TECHNOLOGY OPERATIONS, INC. 0 0 3 2 3 8
HONEYWELL INTERNATIONAL INC. 2 1 1 1 3 8
MTU AERO ENGINES GMBH 1 2 2 2 1 8
SKF USA INC. 0 1 3 3 1 8
STEIN SEAL COMPANY 0 0 0 5 3 8
A. W. CHESTERTON COMPANY 1 1 3 1 1 7
FLORIDA TURBINE TECHNOLOGIES, INC. 1 0 0 2 4 7
NIPPON PILLAR PACKING CO. LTD. 1 0 2 2 2 7
AKTIEBOLAGET SKF 0 0 1 2 3 6
CARL FREUDENBERG KG 1 0 2 1 2 6
EAGLEBURGMANN GERMANY GMBH & CO. KG 0 0 1 2 3 6
EATON CORPORATION 1 0 1 3 1 6
ALSTOM TECHNOLOGY LTD 1 1 1 1 1 5
BAKER HUGHES INCORPORATED 1 0 1 3 0 5
KALSI ENGINEERING, INC. 0 1 2 2 0 5
NICHIAS CORPORATION 2 1 1 1 0 5
PARKER-HANNIFIN CORPORATION 2 0 0 1 2 5
UCHIYAMA MANUFACTURING CORP. 0 0 2 3 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/


Top

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