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


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

Patenting In Technology Classes,
Breakout By Organization

Count of 2009 - 2013 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 2009 2010 2011 2012 2013 Total
~INDIVIDUALLY OWNED PATENT 15 14 8 9 14 60
WIRTGEN GMBH 3 2 8 8 9 30
SCHLUMBERGER TECHNOLOGY CORPORATION 0 3 16 4 6 29
JOY MM DELAWARE, INC. 0 1 2 8 8 19
KENNAMETAL INC. 4 0 5 2 4 15
SANDVIK INTELLECTUAL PROPERTY AB 2 2 4 2 5 15
CATERPILLAR GLOBAL MINING EUROPE GMBH 0 0 0 2 5 7
DBT GMBH 5 2 0 0 0 7
SHELL OIL COMPANY 0 1 0 4 2 7
THE SOLLAMI COMPANY 0 3 2 1 1 7
RAG AKTIENGESELLSCHAFT 0 0 0 1 5 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/tafp.html
selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


Top

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