Inventor · disambiguated record
Siegfried Lais
Also filed as: LAIS SIEGFRIED
7 granted patents·170 citations·filing 1979–1992
86Inventor score
Files withSCHOTTEL WERFT7
Top patents by PatentIndex Score
7 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
- 0259US4411630AWater-jet drive mechanism for the driving of watercraftSCHOTTEL WERFT·Filed 1981·Granted Oct 25, 1983·13 cites·5 claims
- 0348US4334489AReversing mechanism for steerable propellers, jet rudders or other drive mechanisms of shipsSCHOTTEL WERFT·Filed 1979·Granted Jun 15, 1982·11 cites·11 claims
- 0446US5146865AWater-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
- 0543US4419082AWater-jet drive mechanism for driving and controlling of particularly shallow-draught watercraftsSCHOTTEL WERFT·Filed 1981·Granted Dec 6, 1983·8 cites·4 claims
- 0641US5336119ADrive unit for relatively small watercraftSCHOTTEL WERFT·Filed 1992·Granted Aug 9, 1994·15 cites·6 claims
- 0740US5209682ASpeed and direction indicator for shipsSCHOTTEL WERFT·Filed 1991·Granted May 11, 1993·13 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →