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Rank Ordered Listing of Organizations Receiving
5
or More Utility Patents During the Period
Having Primary Classification In
Class 138, Pipes and Tubular Conduits
( 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 )
First-Named Assignee | 2011 | 2012 | 2013 | 2014 | 2015 | Total |
---|---|---|---|---|---|---|
~INDIVIDUALLY OWNED PATENT | 27 | 27 | 25 | 32 | 34 | 145 |
LMK TECHNOLOGIES, LLC | 0 | 0 | 3 | 9 | 4 | 16 |
PARKER-HANNIFIN CORPORATION | 3 | 2 | 3 | 3 | 2 | 13 |
E. I. DU PONT DE NEMOURS AND COMPANY | 2 | 1 | 1 | 1 | 5 | 10 |
HYDAC TECHNOLOGY GMBH | 0 | 1 | 4 | 4 | 1 | 10 |
FIBERSPAR CORPORATION | 3 | 0 | 0 | 5 | 1 | 9 |
GM GLOBAL TECHNOLOGY OPERATIONS LLC | 2 | 0 | 2 | 1 | 4 | 9 |
TECHNIP FRANCE | 1 | 2 | 2 | 1 | 2 | 8 |
AIRBUS OPERATIONS GMBH | 0 | 3 | 1 | 1 | 2 | 7 |
EATON CORPORATION | 2 | 0 | 2 | 0 | 3 | 7 |
LMK ENTERPRISES, INC. | 3 | 3 | 1 | 0 | 0 | 7 |
NATIONAL OILWELL VARCO DENMARK I/S | 0 | 1 | 2 | 0 | 4 | 7 |
PROTECTIVE INDUSTRIES, INC. | 1 | 0 | 1 | 3 | 2 | 7 |
GENERAL ELECTRIC COMPANY | 0 | 3 | 1 | 1 | 1 | 6 |
GE OIL & GAS UK LIMITED | 0 | 0 | 0 | 0 | 5 | 5 |
IBIDEN CO., LTD. | 0 | 1 | 0 | 1 | 3 | 5 |
PERMA-LINER INDUSTRIES, LLC | 0 | 0 | 1 | 2 | 2 | 5 |
RAGNER TECHNOLOGY CORPORATION | 0 | 0 | 0 | 1 | 4 | 5 |
ROBERT BOSCH GMBH | 0 | 1 | 0 | 2 | 2 | 5 |
SHONAN GOSEI-JUSHI SEISAKUSHO K.K. | 0 | 2 | 1 | 0 | 2 | 5 |
STATS (UK) LIMITED | 2 | 1 | 0 | 0 | 2 | 5 |
W.E. HALL COMPANY, INC. | 0 | 0 | 2 | 1 | 2 | 5 |
WELLSTREAM INTERNATIONAL LIMITED | 2 | 2 | 1 | 0 | 0 | 5 |
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 22313-1450tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.govaddress of PTMT pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/reports.htm
selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/
Home > Listing of Viewable PTMT Reports > Table of Contents for This Set of Reports