| Patents for B66F 3 - Devices, e.g. jacks, adapted for uninterrupted lifting of loads (6,643) |
|---|
| 04/05/1977 | US4015822 Camper jack |
| 04/05/1977 | US4015696 Centrifugal braking device |
| 04/05/1977 | US4015538 Carcass transfer method and device |
| 03/29/1977 | US4014519 Hydraulic jack with mechanical locking device |
| 03/29/1977 | US4014515 Snubber for one end lift jacks |
| 03/22/1977 | US4013267 Pendulum jack |
| 03/08/1977 | US4010609 Jack-pump device |
| 02/08/1977 | US4006666 Cushioning device for a hydraulic jack |
| 01/04/1977 | US4000880 Screw jack |
| 01/04/1977 | US4000683 Hydraulic load lifting system |
| 12/28/1976 | US3999738 Chain tool |
| 12/28/1976 | US3999467 Piston cylinder assembly |
| 12/21/1976 | US3998132 Jacks |
| 12/14/1976 | US3997143 Vehicle in-place electric jack |
| 12/07/1976 | US3995534 Safety arrester for arresting a hydraulically operated lifting ram of a hydraulic elevator |
| 11/09/1976 | US3990681 Pneumatic ramp for vehicle leveling |
| 11/02/1976 | US3989225 Vehicle lifting jack |
| 10/19/1976 | US3986702 Building jack apparatus |
| 10/19/1976 | US3986437 Double-acting rotary hydraulic jack |
| 10/19/1976 | US3986368 Load equalizing and shock absorber system for off-shore drilling rigs |
| 09/28/1976 | US3982731 Fluid pressure roller jack |
| 09/14/1976 | US3979787 Method of supporting bridge structures and like heavy-weight rigid structures upon displacement thereof |
| 09/07/1976 | US3978574 Method of positioning and supporting a machine |
| 09/07/1976 | US3978531 Lifting device |
| 08/24/1976 | US3976172 Brake |
| 08/24/1976 | US3976166 Airport transfer vehicle |
| 08/24/1976 | US3975986 Weep hole for hydraulic jack |
| 08/03/1976 | US3972509 Hydraulic jack incorporating rotatable power train in pump assembly |
| 08/03/1976 | US3972267 Overruning load control for hydraulic jacks |
| 07/13/1976 | US3968861 Elevator |
| 06/29/1976 | US3965802 Hydraulic drive for operating an elevator |
| 06/15/1976 | US3962737 Lifting means |
| 06/08/1976 | US3962406 Method of manufacturing silicon carbide crystals |
| 06/01/1976 | US3959970 Hydraulic jack |
| 05/25/1976 | US3958701 Load-shifting cargo transfer apparatus |
| 05/18/1976 | US3957144 Continuous roller brake |
| 04/06/1976 | US3948482 Camper jacks |
| 03/23/1976 | US3945610 Timber felling device |
| 03/23/1976 | US3945300 Telescopic jack |
| 03/09/1976 | US3942627 Load conveyor |
| 03/02/1976 | US3941352 Bumper screw jack |
| 02/17/1976 | US3938780 Automobile chassis jack |
| 01/27/1976 | US3934852 Trailer tongue jack |