| Patents for F16P 3 - Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body (4,637) |
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| 11/29/1977 | US4060160 Safety guard for power operated machine |
| 11/08/1977 | US4057805 Radio-controlled machine power cut-off |
| 10/18/1977 | US4054935 Safety control circuit |
| 10/11/1977 | US4053266 Protective hood for pelleting presses |
| 08/30/1977 | US4044445 Apparatus for attaching end stops to fastener stringers with a safety stop function |
| 08/16/1977 | US4041842 Dual-solenoid safety valve |
| 08/09/1977 | US4041272 Resistance welding apparatus affording operator protection |
| 08/02/1977 | US4039060 Barrier-guarded stamping press control |
| 07/26/1977 | US4037699 Safety apparatus for a punch press |
| 07/19/1977 | US4036343 Fail safe press brake guard |
| 07/05/1977 | US4033250 Pneumatic buffering system |
| 07/05/1977 | US4033218 Table-saw guard |
| 06/21/1977 | US4030364 Safety guard for press brakes |
| 05/10/1977 | US4023077 Gating circuit |
| 04/12/1977 | US4016684 Safety lever lock |
| 03/29/1977 | US4015122 Photo-electric object detection system |
| 02/08/1977 | US4007379 Operating curcuit for machines |
| 01/04/1977 | US4001654 Testable protective system |
| 01/04/1977 | US4000693 Safe access arrangement for driven mechanisms in a printing press |
| 12/14/1976 | US3996815 Safety guard structure |
| 10/26/1976 | US3987881 Safety guard |
| 10/26/1976 | US3987696 Die press with movable die carriage having controls thereon |
| 10/05/1976 | US3984733 Interlock safety switching circuit for X-ray appliance and the like |
| 09/07/1976 | US3978701 Power roll mill guarding device |
| 07/27/1976 | US3972021 System for monitoring spaces by electro-optical means |
| 07/20/1976 | US3970846 Presence detecting system with self-checking |
| 07/20/1976 | US3970110 Safety inlet air valve control arrangement for air powered hand held tool |
| 07/20/1976 | US3969955 Press brake safety device |
| 06/29/1976 | US3967261 Proximity sensor with simultaneously active intermixed sensor types |
| 04/27/1976 | US3953770 Safety equipment for machinery used in processing plates, etc. |
| 04/13/1976 | US3950755 Radio control for press |
| 03/30/1976 | US3947734 Electronic personnel safety sensor |
| 03/16/1976 | US3944818 Photoelectric guard |
| 02/24/1976 | US3939748 Hydraulic punch press with ram orienting mechanism |
| 02/10/1976 | US3937254 Device for monitoring control elements |
| 01/20/1976 | US3933089 Safety guard for press |
| 01/20/1976 | US3933065 Fluidic machine cycle control |