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 2010 - 2014 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 175, Boring or Penetrating the Earth

( 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 2010 2011 2012 2013 2014 Total
BAKER HUGHES INCORPORATED 55 70 62 47 56 290
~INDIVIDUALLY OWNED PATENT 67 37 50 41 33 228
SCHLUMBERGER TECHNOLOGY CORPORATION 32 48 37 42 54 213
SMITH INTERNATIONAL INC. 50 36 20 28 41 175
HALLIBURTON ENERGY SERVICES, INC. 7 17 18 17 20 79
U.S. SYNTHETIC CORPORATION 8 16 12 18 16 70
LONGYEAR TM, INC. 5 17 7 8 9 46
WEATHERFORD/LAMB, INC. 8 5 6 6 8 33
VAREL INTERNATIONAL IND., L.P. 3 1 8 12 6 30
NATIONAL-OILWELL VARCO, L.P. 4 6 2 5 8 25
ATLAS COPCO ROCK DRILLS AB 5 7 2 4 2 20
ATLAS COPCO SECOROC LLC 2 3 4 5 4 18
VERMEER MANUFACTURING COMPANY, INC. 5 2 4 3 2 16
SANDVIK MINING AND CONSTRUCTION OY 3 2 4 4 2 15
CANRIG DRILLING TECHNOLOGY LTD. 3 1 2 5 3 14
MERLIN TECHNOLOGY, INC. 2 3 1 4 4 14
PDTI HOLDINGS, LLC 3 5 3 2 0 13
SHELL OIL COMPANY 3 1 6 3 0 13
M-I L.L.C 4 2 3 3 0 12
BAUER MASCHINEN GMBH 2 3 0 2 4 11
SANDVIK INTELLECTUAL PROPERTY AB 2 2 5 0 2 11
WWT INTERNATIONAL, INC. 2 5 2 2 0 11
TESCO CORP 4 2 4 0 0 10
APS TECHNOLOGY, INC. 2 1 2 1 3 9
FORO ENERGY, INC. 0 0 0 2 6 8
CENTER ROCK, INC. 0 0 1 2 4 7
CHARLES MACHINE WORKS, INC. 2 2 2 1 0 7
EXXONMOBIL UPSTREAM RESEARCH COMPANY 1 2 0 3 1 7
KENNAMETAL INC. 1 3 0 0 3 7
TRACTO-TECHNIK GMBH & CO. KG 1 3 1 1 1 7
OMNI IP LTD 4 1 1 0 0 6
TDY INDUSTRIES, INC. 0 2 3 1 0 6
CHEVRON U.S.A. INC. 1 1 0 2 1 5
CONOCOPHILLIPS COMPANY 1 0 2 1 1 5
DOVER BMCS ACQUISITION CORPORATION 0 0 1 2 2 5
EARTH TOOL COMPANY, L.L.C. 0 0 1 0 4 5
HILTI AKTIENGESELLSCHAFT 1 1 3 0 0 5
SDG, LLC 0 1 2 2 0 5
VITRUVIAN EXPLORATION, LLC 0 0 2 3 0 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/


Top

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