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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)
Patenting In Technology Classes, Breakout By Organization
Count of 2005 - 2009 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 081, Tools
( 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.
~INDIVIDUALLY OWNED PATENT
177
235
184
129
59
784
EASCO HAND TOOLS, INC.
4
8
7
4
0
23
SNAP-ON INCORPORATED
5
6
7
3
1
22
IRWIN INDUSTRIAL TOOL COMPANY
4
5
2
0
2
13
PROXENE TOOLS CO., LTD.
0
2
4
2
5
13
LEATHERMAN TOOL GROUP, INC.
1
2
2
3
2
10
HSIN YING ENTERPRISE CO., LTD.
0
0
2
4
2
8
LEA WAY HAND TOOL CORPORATION
1
5
2
0
0
8
LISLE CORPORATION
2
2
3
1
0
8
A. A. G. INDUSTRIAL CO. LTD.
3
3
0
1
0
7
HILTI AKTIENGESELLSCHAFT
2
2
2
1
0
7
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.)
0
3
0
0
3
6
PILLING WECK INCORPORATED
0
3
3
0
0
6
WEATHERFORD/LAMB, INC.
0
3
2
0
1
6
BLACK & DECKER INC.
2
1
1
1
0
5
HITACHI KOKI COMPANY, LIMITED
1
0
3
1
0
5
PROPRIETARY TECHNOLOGIES, INC.
1
1
3
0
0
5
WAGIC, INC.
1
2
1
0
1
5
WRIGHT TOOL COMPANY, INC.
2
0
1
1
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/tafp.html
selected PTMT files available for download at :
http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/
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