| Patents for B63H 5 - Arrangements on vessels of propulsion elements directly acting on water (3,934) |
|---|
| 09/06/1977 | US4046097 Collar for redirecting propeller energy |
| 09/06/1977 | US4046096 Or steering means |
| 08/09/1977 | US4040379 Dual stern drive mounting arrangement |
| 08/09/1977 | US4040378 Method and apparatus for installing a marine propulsion device |
| 07/19/1977 | US4036163 Apparatus for mounting and dismounting a submerged propeller unit for a floating body |
| 06/28/1977 | US4031846 Anti-cavitation shroud and rudder |
| 06/07/1977 | US4027617 Grating apparatus for protecting the draft port of a water-jet propulsion system |
| 05/10/1977 | US4022543 Apparatus for facilitating removal of a marine propeller blade |
| 04/05/1977 | US4015556 Device for propelling boats |
| 03/22/1977 | US4013033 Weed guard for trolling motors |
| 01/25/1977 | US4004544 Twin turbine-wheel driven boat |
| 01/18/1977 | US4003671 Method and means to prevent cavitation erosion in propeller ducts |
| 12/28/1976 | US3999884 Compensated propeller nozzles or ducts |
| 12/14/1976 | US3996877 Ship propeller arrangement |
| 11/16/1976 | US3991697 Twin-screw vessel |
| 10/05/1976 | US3983834 Propulsion system for watercraft and the like |
| 10/05/1976 | US3983829 Ships' stern construction |
| 09/28/1976 | US3982496 Seal and isolation mounting system |
| 08/31/1976 | US3977352 High sea vessel having tanning and cargo carrying capabilities |
| 08/24/1976 | US3976027 Strut drive mechanism |
| 07/13/1976 | US3968767 Marine propulsion device adapted for a sailboat |
| 06/29/1976 | US3965845 Boat propeller protective structure |
| 06/15/1976 | US3962985 Twin-shaft type propulsion arrangement for a tug boat |
| 06/08/1976 | US3961591 Deflector rudders |
| 05/11/1976 | US3955527 Marine propulsion trim tab with anti ventilation means |
| 05/04/1976 | US3954083 Twin-propeller stern drive |
| 04/13/1976 | US3949694 Special submarine devices using a novel integrated lift, propulsion and steering system |
| 03/30/1976 | US3947151 Hollow hub marine propeller with anticavitation groove |
| 02/17/1976 | US3938759 Special aircraft using a novel integrated lift, propulsion and steering system |
| 02/17/1976 | US3938464 Contra-rotating propeller drive system |
| 02/17/1976 | US3938463 Inclined raked partially submerged propellers |
| 02/10/1976 | US3937173 Deep-V tunnel stern boat |
| 01/27/1976 | US3934538 Boat propulsion system |
| 01/20/1976 | US3933116 Unitary propelling and steering assembly for a power boat |