| Patents for B66D 3 - Portable or mobile lifting or hauling appliances (4,059) |
|---|
| 05/23/1978 | US4090692 Cable gathering and orienting assembly |
| 05/23/1978 | CA1031800A1 Brake shoe for drive element of an elongated member |
| 04/18/1978 | US4084794 Hoist or winch mechanism adapted for multiple variable rigging |
| 04/18/1978 | US4084788 Clutch control device for cable traction apparatus |
| 03/28/1978 | CA1028478A1 Tightening grip |
| 03/21/1978 | US4079916 Locking pulley assembly and method of making same |
| 02/28/1978 | US4076215 Electrohydraulic drawing apparatus, particularly a hoist |
| 02/21/1978 | US4074892 Plural bearing and sheave assembly |
| 02/14/1978 | US4073476 Overhead crane with redundant safety features |
| 01/24/1978 | US4069921 Overhead crane including a single failure proof hoist |
| 12/27/1977 | US4065100 Hoist load brake |
| 12/13/1977 | US4062520 Wire rope binder |
| 12/06/1977 | US4061311 Air hoist and its control device |
| 11/29/1977 | US4060159 Hoist cooling system |
| 11/15/1977 | US4058294 Apparatus for hauling a flexible, textile or metal rope, cable or the like |
| 11/08/1977 | US4057218 Winch-hoist actuating apparatus |
| 11/01/1977 | US4056257 Hoisting tackle block assembly |
| 10/25/1977 | US4055290 Rope pulling device |
| 08/30/1977 | US4045001 Pumping ratchet winch |
| 08/23/1977 | US4043538 Chain hoist |
| 07/05/1977 | US4033496 Apparatus for hauling cables or other elongate bodies |
| 06/28/1977 | US4032110 Cable hauling device comprising self clamping jaws |
| 06/21/1977 | US4030569 Traction elevator system having cable groove in drive sheave formed by spaced, elastically deflectable metallic ring members |
| 06/14/1977 | US4029185 Torque transmitting and indicating device |
| 06/14/1977 | US4028954 Slip-free sheave or pulley |
| 06/07/1977 | US4027800 Gantry crane with plural hoist means |
| 05/31/1977 | US4026526 Hoisting gear |
| 05/24/1977 | US4025052 Clamps for wire rope, rods and tubes |
| 03/22/1977 | US4013205 Gripping shoe equipping a device for pulling an elongate member |
| 03/22/1977 | US4013142 Elevator system having a drive sheave with rigid but circumferentially compliant cable grooves |
| 03/15/1977 | US4012008 Window sash balancer |
| 03/08/1977 | US4010852 Sheaving arrangement |
| 03/01/1977 | US4009843 Spring rewound tagline device with spring overload preventing means |
| 02/22/1977 | US4008881 Portable winch ratchet dog |
| 02/15/1977 | US4007532 Locking pulley assembly and method of making same |
| 01/18/1977 | US4003551 Winch-hoist |
| 12/28/1976 | US3999739 Snatch block |
| 12/21/1976 | US3998432 Air operated load balancing hoist |
| 12/21/1976 | US3998167 Method and apparatus for bracing freight |
| 12/07/1976 | US3995830 Cable traction and hoisting apparatus |
| 11/23/1976 | US3993287 Method and device of reblocking to an increased or reduced number of rope parts at a hoisting gear |
| 10/26/1976 | US3987915 Tire storage and retrieval system and method |
| 10/12/1976 | US3985342 Portable hoist |
| 10/05/1976 | US3984084 Assembly apparatus for nuclear reactors |
| 09/21/1976 | US3981483 Cable hauling device |
| 08/10/1976 | US3973448 Electric hoists |
| 08/03/1976 | US3972508 Take-up actuator |
| 07/27/1976 | US3971971 Electric hoist control and braking system |
| 06/01/1976 | US3960362 Hoist control with limit switches |
| 05/18/1976 | US3957248 Air hoist with an overload protection device |
| 05/11/1976 | US3955798 Guiding and positioning device for the block and hook of a derrick on a ship |
| 04/27/1976 | US3953000 Hoist with load limiting device |
| 03/16/1976 | US3944186 Locking pulley assembly and method of making same |
| 03/16/1976 | US3943714 Fail-safe limit switch stopping system for air motor |
| 03/02/1976 | US3941354 Anti two-blocking device |
| 02/24/1976 | US3940112 Crown block |
| 01/27/1976 | US3934855 Wire rope binder |
| 01/27/1976 | US3934482 Cable traction sheave |
| 01/20/1976 | US3933388 Interlock control system for a fluid-operated hoist |