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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 218, High-Voltage Switches with Arc Preventing or Extinguishing Devices

( 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
ABB TECHNOLOGY AG 5 4 11 20 7 47
MITSUBISHI DENKI KABUSHIKI KAISHA 4 5 3 5 12 29
EATON CORPORATION 3 7 6 6 5 27
HITACHI, LTD 6 8 3 2 5 24
LSIS CO., LTD. 0 0 0 10 13 23
SIEMENS AKTIENGESELLSCHAFT 1 4 2 8 6 21
LS INDUSTRIAL SYSTEMS CO., LTD. 1 8 1 2 0 12
SCHNEIDER ELECTRIC INDUSTRIES SAS 0 2 2 3 4 11
SCHNEIDER ELECTRIC USA, INC. 0 2 2 3 4 11
GENERAL ELECTRIC COMPANY 1 1 4 1 2 9
~INDIVIDUALLY OWNED PATENT 0 1 4 2 2 9
ABB RESEARCH LTD. 2 3 2 1 0 8
AREVA T&D SA 6 0 1 0 0 7
TOSHIBA CORPORATION 0 4 0 1 1 6
ABB TECHNOLOGY LTD. 0 2 0 1 2 5
ALSTOM TECHNOLOGY LTD 0 0 0 2 3 5
AREVA T& D SAS 0 5 0 0 0 5
EATON ELECTRICAL IP GMBH & CO. KG 0 0 0 1 4 5
FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO., LTD. 0 2 1 2 0 5
HYUNDAI HEAVY INDUSTRIES CO., LTD. 0 0 0 1 4 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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