Home >
Listing of Viewable PTMT Reports >
Table of Contents for This Set of Reports
U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Team (PTMT)
Patenting In Technology Classes, Breakout By Organization
Count of 2004 - 2008 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
157
177
235
184
129
882
EASCO HAND TOOLS, INC.
0
4
8
7
4
23
SNAP-ON INCORPORATED
2
5
6
7
3
23
IRWIN INDUSTRIAL TOOL COMPANY
0
4
5
2
0
11
LISLE CORPORATION
2
2
2
3
1
10
HILTI AKTIENGESELLSCHAFT
2
2
2
2
1
9
LEATHERMAN TOOL GROUP, INC.
1
1
2
2
3
9
LEA WAY HAND TOOL CORPORATION
0
1
5
2
0
8
PILLING WECK INCORPORATED
2
0
3
3
0
8
PROXENE TOOLS CO., LTD.
0
0
2
4
2
8
WEATHERFORD/LAMB, INC.
3
0
3
2
0
8
A. A. G. INDUSTRIAL CO. LTD.
0
3
3
0
1
7
WRIGHT TOOL COMPANY, INC.
3
2
0
1
1
7
BLACK & DECKER INC.
1
2
1
1
1
6
HSIN YING ENTERPRISE CO., LTD.
0
0
0
2
4
6
IDEAL INDUSTRIES, INC
2
0
3
1
0
6
PROPRIETARY TECHNOLOGIES, INC.
1
1
1
3
0
6
BELLSOUTH INTELLECTUAL PROPERTY CORPORATION
1
2
2
0
0
5
FACOM
3
1
0
0
1
5
HITACHI KOKI COMPANY, LIMITED
0
1
0
3
1
5
UNITED STATES OF AMERICA, ARMY
1
1
1
1
1
5
WAGIC, INC.
1
1
2
1
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/tafp.html
ftp download of selected PTMT reports and materials from :
ftp.uspto.gov/pub/taf/
Top
Home >
Listing of Viewable PTMT Reports >
Table of Contents for This Set of Reports
javascript displays date of file obtained from webserver