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Class Information
Number: 294/82.16
Name: Handling: hand and hoist-line implements > Hoistline or grab hook > Resilient suspension means (e.g., spring or fluid)
Description: Load engaging hooks including a cushioning device located on the hook for the purpose of absorbing shocks between the hoistline and the load.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7108057 |
Apparatus for controlling the ascent and descent of pipe in a well bore |
Sep. 19, 2006 |
| 6997251 |
Method and apparatus for controlling the ascent and descent of pipe in a well bore |
Feb. 14, 2006 |
| 5066059 |
Drill string compensator with improved transloaders |
Nov. 19, 1991 |
| 4858694 |
Heave compensated stabbing and landing tool |
Aug. 22, 1989 |
| 4724970 |
Compensating device for a crane hook |
Feb. 16, 1988 |
| 4723805 |
Transloader |
Feb. 9, 1988 |
| 4568118 |
Lifting hook |
Feb. 4, 1986 |
| 4498698 |
Drill rig hook |
Feb. 12, 1985 |
| 4475755 |
Apparatus and method for assembly-disassembly of a spring loaded hook |
Oct. 9, 1984 |
| 4466651 |
Block |
Aug. 21, 1984 |
| 4165863 |
Hoist system |
Aug. 28, 1979 |
| 4121806 |
Apparatus for compensating variations of distance |
Oct. 24, 1978 |
| 4102295 |
Load indicating apparatus |
Jul. 25, 1978 |
| 4029307 |
Cushioning device |
Jun. 14, 1977 |
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