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

Patenting In Technology Classes,
Breakout By Organization

Count of 2011 - 2015 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 261, Gas and Liquid Contact Apparatus

( 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 2011 2012 2013 2014 2015 Total
~INDIVIDUALLY OWNED PATENT 27 36 23 39 31 156
UOP 5 7 1 3 0 16
SULZER CHEMTECH AG 1 1 0 5 4 11
HONEYWELL INTERNATIONAL INC. 2 3 1 2 2 10
SPX COOLING TECHNOLOGIES, INC. 1 2 0 6 0 9
GTC TECHNOLOGY US, LLC 0 0 5 3 0 8
WALBRO ENGINE MANAGEMENT, L.L.C. 1 0 3 0 4 8
ENVIRONMENTAL DYNAMICS INTERNATIONAL, INC. 4 2 0 0 1 7
ANDREAS STIHL AG & CO KG 0 0 6 0 0 6
DRISTEEM CORPORATION 1 0 2 1 2 6
NEUMANN SYSTEMS GROUP, INC. 2 2 1 1 0 6
PANASONIC CORPORATION 2 2 2 0 0 6
SAMSUNG ELECTRONICS CO., LTD. 0 0 3 3 0 6
BRIGGS + STRATTON CORPORATION 1 3 1 0 0 5
CALDWELL TANKS, INC. 3 0 1 1 0 5
GENERAL ELECTRIC COMPANY 0 2 0 0 3 5
JASON INTERNATIONAL, INC. 0 1 1 2 1 5
KOCH-GLITSCH, LP 0 2 2 0 1 5
L'AIR LIQUIDE, SOCIETE ANONYME A DIRECTOIRE ET CONSEIL DE SURVEILLANCE POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE 1 3 1 0 0 5
LG ELECTRONICS INC. 0 0 2 1 2 5
S. C. JOHNSON + SON, INC. 0 0 1 3 1 5
TOSHIBA CORPORATION 0 0 3 2 0 5
ZAMA JAPAN KABUSHIKI KAISHA 0 1 3 1 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/reports.htm
selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


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