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Class Information
Number: 188/67
Name: Brakes > Rod
Description: Brakes applied to rods.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4007815 |
Releasable lock for brakes |
Feb. 15, 1977 |
| 3999260 |
Rotary power slip assembly |
Dec. 28, 1976 |
| 3995534 |
Safety arrester for arresting a hydraulically operated lifting ram of a hydraulic elevator |
Dec. 7, 1976 |
| 3993169 |
Locking device |
Nov. 23, 1976 |
| 3990542 |
Linear motion arresting device |
Nov. 9, 1976 |
| 3986583 |
Force transmitting coupling |
Oct. 19, 1976 |
| 3983966 |
Reciprocating brake |
Oct. 5, 1976 |
| 3976173 |
Transmission devices with no-back brakes |
Aug. 24, 1976 |
| 3964337 |
Motion transmitting remote control assembly |
Jun. 22, 1976 |
| 3961399 |
Power slip unit |
Jun. 8, 1976 |
| 3958813 |
Positive safety locking system for powered outrigger beams |
May. 25, 1976 |
| 3951238 |
Linear motion arresting device |
Apr. 20, 1976 |
| 3941141 |
Blowout preventer locking apparatus and method |
Mar. 2, 1976 |
| 3938798 |
Adjustable work support |
Feb. 17, 1976 |
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