O&K Orenstein & Koppel Aktiengesellschaft
Patent Owner
Stats
- 9 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Feb 17, 2009 most recent publication
Details
- 9 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 682 Total Citation Count
- Jun 10, 1976 Earliest Filing
- 74 Expired/Abandoned/Withdrawn Patents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
6701823 Method and device for controlling a lift cylinder, especially of working machinesJul 30, 02Mar 09, 04[F15B]
6685277 Method for braking a revolvable superstructure of a working machine and a pivoted brake unitMar 29, 02Feb 03, 04[B60T]
6401856 Method and device for the power shiftable change-over of a hydrostatic vehicle drive of a mobile construction machineNov 29, 99Jun 11, 02[B60K]
6131687 Process for actuating the steering cylinders of mobile plant and steering system thereforJan 07, 97Oct 17, 00[B62D]
5513491 Hydraulic vibration damping system for machines provided with toolsMar 02, 94May 07, 96[F16D]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
7490421 Method and construction machine for producing ground surfacesExpiredJul 13, 00Feb 17, 09[A01B, E02F]
6290048 Wheel hub with integral planetary gear mechanism and multidisk brakeExpiredAug 11, 00Sep 18, 01[B60K]
5784812 Method of controlling the positioning of an outfit tilting cylinder mounted on the descending lift frame of movable construction machinesExpiredJan 10, 97Jul 28, 98[E02F]
5767783 Signalling device visible throughout 360.degree. comprising a light source composed of several electroluminescent diodes and sea buoy provided with said deviceExpiredOct 10, 96Jun 16, 98[G08B]
5533284 Earth-moving machine with revolving tower and adjustable counterweightExpiredOct 20, 94Jul 09, 96[B66C]
5333399 Fastening of the buckets and possibly also the skim cutters on cutting wheelsExpiredAug 24, 92Aug 02, 94[E02F]
5277370 Vertical impact mill with coupled material classificationExpiredAug 24, 92Jan 11, 94[B02C, B07B]
5264654 Method and apparatus for processing contaminated soilsExpiredApr 29, 91Nov 23, 93[F23G, A62D, E02D]
5244383 Method and apparatus for reducing the circulation of salts particularly in cement kilnsExpiredMar 04, 91Sep 14, 93[F27B]
5113570 Method and apparatus for shaping belt straps to enable them to be pulled through support roller stationsExpiredDec 11, 89May 19, 92[B23P]
5100212 Arrangement of a tensioning wheel of multi-part construction for a tracked vehicleExpiredJun 21, 90Mar 31, 92[B62D]
5095640 Method of producing bucket wheel bodies and bucket wheel body produced by the methodExpiredOct 29, 90Mar 17, 92[E02F]
5016945 Arrangement for connecting and moving the plates of a caterpillar track of earth-moving machinesExpiredJan 26, 90May 21, 91[B62D]
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