Witzig & Frank GmbH
Patent Owner
Stats
- 5 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jan 22, 2013 most recent publication
Details
- 5 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 78 Total Citation Count
- Dec 16, 1999 Earliest Filing
- 3 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
7770429 Method for producing a coupling on a pipe and device for producing said couplingSep 22, 04Aug 10, 10[B21D]
7258514 Machine tool comprising parallel tool spindles that can be repositioned in relation to one anotherFeb 13, 04Aug 21, 07[B23C]
6843096 Process and device for producing press fittings from steel, in particular special steelDec 20, 02Jan 18, 05[B21D]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2008/0188,363 Highly Flexible Machine Tool Comprising Several Workpiece SupportsAbandonedOct 07, 05Aug 07, 08[B23Q]
6668208 Automatic allocation of machining operations to a plurality of machining stationsExpiredDec 11, 01Dec 23, 03[G06F]
Top Inventors for This Owner
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