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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 037, Excavating

( 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 34 48 29 32 25 168
CATERPILLAR INC. 4 8 8 6 1 27
ESCO CORPORATION 4 9 6 5 3 27
AGRI-COVER, INC. 3 12 2 0 0 17
SNO-WAY INTERNATIONAL, INC. 1 5 5 1 2 14
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 3 6 3 0 0 12
DEERE + COMPANY 2 4 1 1 1 9
BAUER MASCHINEN GMBH 4 3 1 0 0 8
VERMEER MANUFACTURING COMPANY, INC. 2 1 2 1 2 8
BLACK CAT BLADES LTD. 0 0 1 3 2 6
DREDGING INTERNATIONAL N.V. 0 2 1 2 1 6
TORO COMPANY 2 2 1 1 0 6
KOMATSU LTD. 1 2 0 0 2 5
LOUIS BERKMAN WINTER PRODUCTS COMPANY 2 2 1 0 0 5
ROLIC INVEST SARL 0 0 0 2 3 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/tafp.html
selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


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