A. HAK INDUSTRIAL SERVICES B.V.
Patent Owner
Stats
- 5 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Mar 28, 2006 most recent publication
Details
- 5 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 146 Total Citation Count
- May 24, 1991 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- 3 Expired/Abandoned/Withdrawn Patents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
6978690 Apparatus for the internal inspection of pipes and tubes and the likeMar 10, 00Dec 27, 05[G01G]
5627800 Method and apparatus for determining position of a moving object in a tankJan 28, 94May 06, 97[G01S]
5205174 Scavenger submersible visual and acoustical tank inspection system and methodMay 24, 91Apr 27, 93[G01N]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
7017432 Hydraulic and electric umbilical connection for an inspection vehicle for inspecting a liquid-filled tankExpiredNov 12, 04Mar 28, 06[G01M]
6882412 Method for inspecting an internal floating roof in a liquid-containing storage tankExpiredAug 20, 02Apr 19, 05[G01N]
6838614 Hydraulic and electric umbilical connection for an inspection vehicle for inspecting a liquid-filled tankExpiredSep 10, 02Jan 04, 05[H01B, E21B]
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