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Rank Ordered Listing of Organizations Receiving
5
or More Utility Patents During the Period
Having Primary Classification In
Class 055, Gas Separation
( 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 |
|---|---|---|---|---|---|---|
| DONALDSON COMPANY, INC. | 33 | 27 | 37 | 32 | 20 | 149 |
| ~INDIVIDUALLY OWNED PATENT | 28 | 20 | 33 | 16 | 22 | 119 |
| MANN & HUMMEL GMBH | 19 | 30 | 18 | 20 | 21 | 108 |
| CUMMINS FILTRATION IP, INC. | 11 | 10 | 8 | 6 | 5 | 40 |
| GENERAL ELECTRIC COMPANY | 7 | 6 | 12 | 1 | 2 | 28 |
| NGK INSULATORS LTD. | 3 | 1 | 6 | 7 | 11 | 28 |
| IBIDEN CO., LTD. | 8 | 6 | 5 | 3 | 5 | 27 |
| HOLLINGSWORTH + VOSE COMPANY | 3 | 4 | 4 | 7 | 3 | 21 |
| 3M INNOVATIVE PROPERTIES COMPANY | 3 | 2 | 10 | 3 | 2 | 20 |
| CORNING INCORPORATED | 3 | 5 | 6 | 3 | 3 | 20 |
| SAMSUNG ELECTRONICS CO., LTD. | 2 | 4 | 3 | 5 | 2 | 16 |
| BHA ALTAIR, LLC | 0 | 0 | 0 | 11 | 4 | 15 |
| MAHLE INTERNATIONAL GMBH | 1 | 1 | 2 | 4 | 7 | 15 |
| BALDWIN FILTERS, INC. | 4 | 3 | 4 | 1 | 2 | 14 |
| HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) | 3 | 6 | 3 | 1 | 1 | 14 |
| GM GLOBAL TECHNOLOGY OPERATIONS LLC | 6 | 3 | 3 | 1 | 0 | 13 |
| LG ELECTRONICS INC. | 10 | 2 | 0 | 0 | 1 | 13 |
| ALFA LAVAL CORPORATE AB | 1 | 0 | 0 | 8 | 3 | 12 |
| DAIKIN INDUSTRIES LIMITED | 3 | 1 | 5 | 2 | 1 | 12 |
| DYSON TECHNOLOGY LIMITED | 4 | 5 | 3 | 0 | 0 | 12 |
| EUROFILTERS HOLDING N.V. | 0 | 2 | 3 | 5 | 2 | 12 |
| FORD GLOBAL TECHNOLOGIES, L.L.C. | 3 | 2 | 5 | 1 | 1 | 12 |
| CAMFIL FARR INC. | 4 | 3 | 1 | 2 | 0 | 10 |
| AAF - MCQUAY INC. | 5 | 3 | 0 | 1 | 0 | 9 |
| ALSTOM TECHNOLOGY LTD | 4 | 2 | 0 | 2 | 1 | 9 |
| CARL FREUDENBERG KG | 1 | 2 | 2 | 3 | 1 | 9 |
| CLARCOR AIR FILTRATION PRODUCTS, INC. | 0 | 0 | 3 | 2 | 4 | 9 |
| EMITEC GESELLSCHAFT FUER EMISSIONSTECHNOLOGIE MBH | 2 | 0 | 5 | 1 | 1 | 9 |
| BLACK & DECKER INC. | 0 | 1 | 0 | 2 | 5 | 8 |
| E. I. DU PONT DE NEMOURS AND COMPANY | 0 | 3 | 2 | 3 | 0 | 8 |
| G.B.D. CORP. | 5 | 2 | 1 | 0 | 0 | 8 |
| HITACHI METALS LTD. | 1 | 1 | 4 | 2 | 0 | 8 |
| SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN | 4 | 0 | 4 | 0 | 0 | 8 |
| CAMFIL AB | 4 | 0 | 0 | 1 | 2 | 7 |
| CATERPILLAR INC. | 2 | 2 | 2 | 1 | 0 | 7 |
| GEO2 TECHNOLOGIES, INC. | 7 | 0 | 0 | 0 | 0 | 7 |
| HAMILTON SUNDSTRAND CORPORATION | 0 | 2 | 1 | 2 | 2 | 7 |
| MITSUBISHI HEAVY INDUSTRIES, LTD. | 4 | 0 | 1 | 2 | 0 | 7 |
| ROBERT BOSCH GMBH | 2 | 2 | 1 | 2 | 0 | 7 |
| BHA GROUP HOLDINGS, INC. | 4 | 2 | 0 | 0 | 0 | 6 |
| DOW GLOBAL TECHNOLOGIES LLC | 3 | 2 | 1 | 0 | 0 | 6 |
| NITTO DENKO CORPORATION | 0 | 1 | 3 | 1 | 1 | 6 |
| TOYOTA BOSHOKU KABUSHIKI KAISHA | 1 | 1 | 1 | 0 | 3 | 6 |
| TOYOTA JIDOSHA K.K. | 1 | 2 | 0 | 2 | 1 | 6 |
| CAMFIL USA, INC. | 0 | 0 | 0 | 1 | 4 | 5 |
| EUROFILTERS N.V. | 3 | 2 | 0 | 0 | 0 | 5 |
| HONEYWELL INTERNATIONAL INC. | 3 | 0 | 1 | 1 | 0 | 5 |
| JOHNS MANVILLE | 1 | 2 | 1 | 0 | 1 | 5 |
| SAMSUNG KWANG-JU ELECTRONICS CO., LTD. | 5 | 0 | 0 | 0 | 0 | 5 |
| YANMAR CO., LTD. | 0 | 0 | 1 | 3 | 1 | 5 |
| ZIPWALL, LLC | 1 | 1 | 2 | 1 | 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 >
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