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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 299, Mining or In Situ Disintegration of Hard Material

( 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 8 9 14 20 7 58
WIRTGEN GMBH 8 8 9 8 23 56
JOY MM DELAWARE, INC. 2 8 8 14 13 45
SCHLUMBERGER TECHNOLOGY CORPORATION 16 4 6 1 1 28
CATERPILLAR GLOBAL MINING EUROPE GMBH 0 2 5 4 5 16
SANDVIK INTELLECTUAL PROPERTY AB 4 2 5 4 1 16
CATERPILLAR PAVING PRODUCTS INC. 0 0 1 9 5 15
KENNAMETAL INC. 5 2 4 1 3 15
SHELL OIL COMPANY 0 4 2 3 0 9
BOMAG GMBH & CO. OHG 0 0 0 4 4 8
RAG AKTIENGESELLSCHAFT 0 1 5 2 0 8
CATERPILLAR INC. 1 0 1 2 1 5
THE SOLLAMI COMPANY 2 1 1 0 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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