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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 392, Electric Resistance Heating 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
~INDIVIDUALLY OWNED PATENT 16 26 13 21 18 94
APPLIED MATERIALS, INC. 2 4 5 5 2 18
DAINIPPON SCREEN MFG. CO., LTD. 3 4 4 4 0 15
GENERAL ELECTRIC COMPANY 2 1 3 3 2 11
SHELL OIL COMPANY 3 6 2 0 0 11
S. C. JOHNSON + SON, INC. 2 2 1 4 1 10
TOKYO ELECTRON LIMITED 6 1 0 3 0 10
ALLIED PRECISION INDUSTRIES, INC. 4 2 1 0 0 7
LG ELECTRONICS INC. 0 0 3 4 0 7
GAUMER COMPANY. INC. 0 2 2 1 1 6
USHIO DENKI KABUSHIKI KAISYA 3 2 1 0 0 6


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