Assignee
AMERICAN HOIST & DERRICK CO
US·26 granted patents·766 citations·filing 1975–1984
Top patents by PatentIndex Score
26 records- 0191US4579234ASelf-erecting mobile craneAMERICAN HOIST & DERRICK CO·Filed 1984·Granted Apr 1, 1986·80 cites·49 claims
- 0291US4446807AMooring apparatus for floating vesselsAMERICAN HOIST & DERRICK CO·Filed 1981·Granted May 8, 1984·61 cites·2 claims
- 0391US4109747ASteering mechanismAMERICAN HOIST & DERRICK CO·Filed 1977·Granted Aug 29, 1978·47 cites·18 claims
- 0490US4257201ASelf-centering telescoping beamsAMERICAN HOIST & DERRICK CO·Filed 1979·Granted Mar 24, 1981·48 cites·7 claims
- 0589US4074519ASwivel shackleAMERICAN HOIST & DERRICK CO·Filed 1977·Granted Feb 21, 1978·70 cites·8 claims
- 0686US4102295ALoad indicating apparatusAMERICAN HOIST & DERRICK CO·Filed 1976·Granted Jul 25, 1978·37 cites·9 claims
- 0785US4448396AHeave motion compensation apparatusAMERICAN HOIST & DERRICK CO·Filed 1982·Granted May 15, 1984·44 cites·15 claims
- 0883US4287823ASlush pulp balerAMERICAN HOIST & DERRICK CO·Filed 1979·Granted Sep 8, 1981·26 cites·14 claims
- 0982US4036359ABaled wood chipsAMERICAN HOIST & DERRICK CO·Filed 1976·Granted Jul 19, 1977·34 cites·4 claims
- 1081US3960284AHydraulic backhoe circuitryAMERICAN HOIST & DERRICK CO·Filed 1975·Granted Jun 1, 1976·41 cites·16 claims
- 1175US3990714ASelf-storing outrigger float assemblyAMERICAN HOIST & DERRICK CO·Filed 1975·Granted Nov 9, 1976·25 cites·13 claims
- 1274US4079584AHeavy duty shackleAMERICAN HOIST & DERRICK CO·Filed 1976·Granted Mar 21, 1978·38 cites·7 claims
- 1373US4174132AMultiple position hook assemblyAMERICAN HOIST & DERRICK CO·Filed 1977·Granted Nov 13, 1979·22 cites·25 claims
- 1473US3999476AClosed chamber balerAMERICAN HOIST & DERRICK CO·Filed 1975·Granted Dec 28, 1976·27 cites·5 claims
- 1572US4454952AMeans of removably mounting an outriggerAMERICAN HOIST & DERRICK CO·Filed 1982·Granted Jun 19, 1984·22 cites·5 claims
- 1671US4079807ASteering mechanismAMERICAN HOIST & DERRICK CO·Filed 1976·Granted Mar 21, 1978·20 cites·21 claims
- 1770US4568232ABarge mounted horizontal boom bulk unloaderAMERICAN HOIST & DERRICK CO·Filed 1982·Granted Feb 4, 1986·24 cites·14 claims
- 1861US4215463AMethod of field forming a loop splice for wire ropeAMERICAN HOIST & DERRICK CO·Filed 1978·Granted Aug 5, 1980·15 cites·1 claims
- 1959US4148531ASelf-aligning slide pads for telescopic boomAMERICAN HOIST & DERRICK CO·Filed 1977·Granted Apr 10, 1979·15 cites·16 claims
- 2056US4478340ASwing bearing quick removal systemAMERICAN HOIST & DERRICK CO·Filed 1982·Granted Oct 23, 1984·15 cites·3 claims
- 2154US4313691ALubrication and bearing structure for concentric, independently rotating drum and vibratory shaftAMERICAN HOIST & DERRICK CO·Filed 1980·Granted Feb 2, 1982·21 cites·6 claims
- 2254US4021130AChain to wire rope connectorAMERICAN HOIST & DERRICK CO·Filed 1975·Granted May 3, 1977·12 cites·5 claims
- 2344US4106284ASpring-biased split-sleeve coupling pin retainerAMERICAN HOIST & DERRICK CO·Filed 1977·Granted Aug 15, 1978·8 cites·11 claims
- 2436US4148253AVertical closed chamber balerAMERICAN HOIST & DERRICK CO·Filed 1978·Granted Apr 10, 1979·4 cites·1 claims
- 2536US4102259AVertical closed chamber balerAMERICAN HOIST & DERRICK CO·Filed 1976·Granted Jul 25, 1978·4 cites·3 claims
- 2631US4305627ABearing housing and lubrication structure for concentric rotating membersAMERICAN HOIST & DERRICK CO·Filed 1980·Granted Dec 15, 1981·6 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →