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Class Information
Number: 294/88
Name: Handling: hand and hoist-line implements > Grapple > Magnet- or piston-controlled
Description: Devices in which the operation of the grapple is caused by magnetic means or fluid-operated pistons.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4320914 |
Clamping-type holder |
Mar. 23, 1982 |
| 4318562 |
Grasping apparatus for handling heated articles |
Mar. 9, 1982 |
| 4316693 |
Variable array can palletizer |
Feb. 23, 1982 |
| 4313633 |
Self adjusting actuator system |
Feb. 2, 1982 |
| 4305692 |
Mold handler |
Dec. 15, 1981 |
| 4304433 |
Pipe gripping head |
Dec. 8, 1981 |
| 4303270 |
Self-centering clamp |
Dec. 1, 1981 |
| 4303269 |
Lifting and material handling apparatus |
Dec. 1, 1981 |
| 4291909 |
Clamping jaws assembly |
Sep. 29, 1981 |
| 4284301 |
Bag transfer device |
Aug. 18, 1981 |
| 4281961 |
Coil transfer apparatus |
Aug. 4, 1981 |
| 4280777 |
Baled hay handling apparatus |
Jul. 28, 1981 |
| 4279438 |
Tire loader |
Jul. 21, 1981 |
| 4275479 |
Device for handling of meat and cutting-up thereof |
Jun. 30, 1981 |
| 4274777 |
Subterranean well pipe guiding apparatus |
Jun. 23, 1981 |
| 4273506 |
Industrial manipulator for placing articles in close proximity to adjacent articles |
Jun. 16, 1981 |
| 4273499 |
Apparatus for manipulating signature bundles |
Jun. 16, 1981 |
| 4268217 |
Load carrying apparatus |
May. 19, 1981 |
| 4268082 |
Elevator latch for drilling rigs |
May. 19, 1981 |
| 4266819 |
Grapple apparatus |
May. 12, 1981 |
| 4266910 |
Pipe positioner boom and head assembly for pipe laying frame |
May. 12, 1981 |
| 4260323 |
Grapple head arrangement |
Apr. 7, 1981 |
| 4257639 |
Ejector device for stores |
Mar. 24, 1981 |
| 4257731 |
Powered implement with work elements pivotally mounted on an implement mounting and a torque tube for rotating such mounting |
Mar. 24, 1981 |
| 4256429 |
Apparatus for handling signature bundles |
Mar. 17, 1981 |
| 4254984 |
Mold handler |
Mar. 10, 1981 |
| 4252361 |
Single guide rod actuating unit |
Feb. 24, 1981 |
| 4248471 |
Backhoe grapple assembly |
Feb. 3, 1981 |
| 4244618 |
Pressure fluid operated gripping apparatus |
Jan. 13, 1981 |
| 4243257 |
Gripper mechanism |
Jan. 6, 1981 |
| 4243258 |
Tree harvester |
Jan. 6, 1981 |
| 4242037 |
Gripping tool, particularly for handling timber |
Dec. 30, 1980 |
| 4239273 |
Device for the rotary assembly of a member controlled by pressurized fluid |
Dec. 16, 1980 |
| 4236744 |
Gripping-lifting apparatus |
Dec. 2, 1980 |
| 4234223 |
Drive mechanism for a pick-and-place unit |
Nov. 18, 1980 |
| 4227850 |
Lift truck load clamp for handling paper rolls |
Oct. 14, 1980 |
| 4227851 |
Device for picking up and placing articles on movable conveyors and assembly lines and to an endless conveyor construction and to an article pickup and deposit device therefor |
Oct. 14, 1980 |
| 4226458 |
Lifting tackle for filled sacks |
Oct. 7, 1980 |
| 4212577 |
Grapple |
Jul. 15, 1980 |
| 4211252 |
Hydraulic coupler |
Jul. 8, 1980 |
| 4211123 |
Motion conversion mechanism |
Jul. 8, 1980 |
| 4204456 |
Pneumatic ejector for bomb |
May. 27, 1980 |
| 4201510 |
Automatic grapple control system |
May. 6, 1980 |
| 4189269 |
Workpiece transport device |
Feb. 19, 1980 |
| 4185985 |
Tong head assembly |
Jan. 29, 1980 |
| 4185866 |
External-internal gripper |
Jan. 29, 1980 |
| 4182593 |
Bale loading and handling device |
Jan. 8, 1980 |
| 4181343 |
Oscillating movement damping means intended for pivotally suspended hoisting gear |
Jan. 1, 1980 |
| 4178030 |
Grapple or grab-bucket safety mechanism |
Dec. 11, 1979 |
| 4175903 |
Pick-up apparatus and containing assembly |
Nov. 27, 1979 |
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