HYDRAULIK RING GMBH, AUTOMOBILTECHNIK

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
F01L CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES 154

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6742484 Device for relative rotational angle adjustment of a cam shaft of an internal combustion engine to a drive wheelJun 18, 01Jun 01, 04[F01L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6666179 Camshaft for the operation of valves of an internal-combustion engineExpiredJul 09, 01Dec 23, 03[F01L]
6584944 Apparatus for relative angular adjustment of a crankshaft of a combustion engine with respect to a driving wheel and methods of making and operating sameExpiredAug 16, 01Jul 01, 03[F01L]
2002/0029,651 Camshaft for the operation of valves of an internal-combustion engineAbandonedJul 09, 01Mar 14, 02[F16H]

Top Inventors for This Owner

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