Assignee
SCHOTTEL WERFT
DE·23 granted patents·752 citations·filing 1972–1994
Top patents by PatentIndex Score
23 records- 0193US4519335ADevice for controlling the direction of movement and thrust force of a watercraftSCHOTTEL WERFT·Filed 1983·Granted May 28, 1985·101 cites·18 claims
- 0292US4220111ADrive and control device for watercraft or the like having at least one pair of steerable propellersSCHOTTEL WERFT·Filed 1978·Granted Sep 2, 1980·72 cites·14 claims
- 0389US5235266AEnergy-generating plant, particularly propeller-type ship's propulsion plant, including a solar generatorSCHOTTEL WERFT·Filed 1991·Granted Aug 10, 1993·253 cites·16 claims
- 0486US5397255ABoat propulsion unit with a propulsion propeller arranged under the boat's bottomSCHOTTEL WERFT·Filed 1994·Granted Mar 14, 1995·32 cites·14 claims
- 0580US4175511ATugboat or the likeSCHOTTEL WERFT·Filed 1977·Granted Nov 27, 1979·23 cites·7 claims
- 0673US3996877AShip propeller arrangementSCHOTTEL WERFT·Filed 1975·Granted Dec 14, 1976·23 cites·7 claims
- 0771US5289999AApparatus for mounting solar cellsSCHOTTEL WERFT·Filed 1993·Granted Mar 1, 1994·48 cites·11 claims
- 0869US4278431AHydro-jet propulsion device for driving and controlling of particularly flat-bottomed watercraftsSCHOTTEL WERFT·Filed 1978·Granted Jul 14, 1981·19 cites·7 claims
- 0967US5435762ADrive unit for watercraftSCHOTTEL WERFT·Filed 1993·Granted Jul 25, 1995·22 cites·20 claims
- 1066US4412500ADrive mechanism for ships or the like comprising a main propeller and an auxiliary mechanismSCHOTTEL WERFT·Filed 1982·Granted Nov 1, 1983·21 cites·2 claims
- 1164US4838821ADrive mechanism particularly for flat-bottomed watercraftsSCHOTTEL WERFT·Filed 1988·Granted Jun 13, 1989·14 cites·2 claims
- 1259US4411630AWater-jet drive mechanism for the driving of watercraftSCHOTTEL WERFT·Filed 1981·Granted Oct 25, 1983·13 cites·5 claims
- 1352US4418633AApparatus for controlling a watercraftSCHOTTEL WERFT·Filed 1981·Granted Dec 6, 1983·16 cites·5 claims
- 1452US4417877AWater-jet drive mechanism for driving and controlling of particularly shallow-draught watercraftsSCHOTTEL WERFT·Filed 1981·Granted Nov 29, 1983·12 cites·6 claims
- 1548US5520557AHydrojetSCHOTTEL WERFT·Filed 1994·Granted May 28, 1996·10 cites·6 claims
- 1648US4334489AReversing mechanism for steerable propellers, jet rudders or other drive mechanisms of shipsSCHOTTEL WERFT·Filed 1979·Granted Jun 15, 1982·11 cites·11 claims
- 1746US5146865AWater-jet propulsion system for ships which are intended to be used in shallow watersSCHOTTEL WERFT·Filed 1991·Granted Sep 15, 1992·9 cites·15 claims
- 1843US4419082AWater-jet drive mechanism for driving and controlling of particularly shallow-draught watercraftsSCHOTTEL WERFT·Filed 1981·Granted Dec 6, 1983·8 cites·4 claims
- 1941US5336119ADrive unit for relatively small watercraftSCHOTTEL WERFT·Filed 1992·Granted Aug 9, 1994·15 cites·6 claims
- 2040US5209682ASpeed and direction indicator for shipsSCHOTTEL WERFT·Filed 1991·Granted May 11, 1993·13 cites·13 claims
- 2140US4018181ALateral thrust control unit for watercraftsSCHOTTEL WERFT·Filed 1975·Granted Apr 19, 1977·8 cites·14 claims
- 2237US3930458APropeller support for amphibious vehicleSCHOTTEL WERFT·Filed 1972·Granted Jan 6, 1976·5 cites·12 claims
- 2318US4377981ALateral thrust rudderSCHOTTEL WERFT·Filed 1981·Granted Mar 29, 1983·4 cites·5 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →