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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 266, Metallurgical 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 7 11 15 8 11 52
PAUL WURTH S.A. 4 1 2 4 7 18
TECHNOLOGICAL RESOURCES PTY, LTD. 6 5 4 0 2 17
OUTOTEC OYJ 4 1 2 1 5 13
SMS SIEMAG AKTIENGESELLSCHAFT 5 2 2 1 2 12
HATCH LTD. 3 2 1 1 1 8
NOVELIS INC. 1 0 3 2 2 8
JFE STEEL CORPORATION 0 3 3 0 1 7
NIPPON STEEL & SUMITOMO METAL CORPORATION 0 0 3 3 1 7
NIPPON STEEL CORP. 4 2 1 0 0 7
SIEMENS VAI METALS TECHNOLOGIES GMBH 0 4 1 1 1 7
GENERAL ELECTRIC COMPANY 2 0 2 1 1 6
KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.) 3 1 2 0 0 6
HERAEUS ELECTRO-NITE INTERNATIONAL N.V. 4 1 0 0 0 5
POSCO 2 2 1 0 0 5
PYROTEK, INC. 0 2 1 0 2 5
REFRACTORY INTELLECTUAL PROPERTY GMBH & CO. KG 2 0 0 3 0 5
SINTOKOGIO LTD. 1 2 1 0 1 5
TMT TAPPING-MEASURING-TECHNOLOGY GMBH 0 0 2 2 1 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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