Assignee
ALTEN K
DE·30 granted patents·430 citations·filing 1978–1995
Top patents by PatentIndex Score
30 records- 0182US4420849ARamp bridging deviceALTEN K·Filed 1981·Granted Dec 20, 1983·31 cites·4 claims
- 0274US5195285ADeformable sealing device for a gap between a wall opening of a building wall and a back wall of a vehicleALTEN K·Filed 1991·Granted Mar 23, 1993·29 cites·23 claims
- 0371US4224709ATransloading bridge for rampsALTEN K·Filed 1979·Granted Sep 30, 1980·18 cites·14 claims
- 0470US5174084ADeformable sealing device for a gap between a wall opening of a building wall and a back wall of a vehicleALTEN K·Filed 1991·Granted Dec 29, 1992·25 cites·18 claims
- 0567US5560063ALoading bridge for rampsALTEN K·Filed 1995·Granted Oct 1, 1996·26 cites·12 claims
- 0667US4732203ASectional door with operatorALTEN K·Filed 1986·Granted Mar 22, 1988·29 cites·6 claims
- 0767US4727613ADock levelerALTEN K·Filed 1986·Granted Mar 1, 1988·21 cites·10 claims
- 0867US4551877ARamp bridging deviceALTEN K·Filed 1983·Granted Nov 12, 1985·18 cites·7 claims
- 0964US4495737ADeformable seal of the gap between a building opening and a vehicle driven up to itALTEN K·Filed 1982·Granted Jan 29, 1985·16 cites·5 claims
- 1059US5815871ARamp member for loading docksALTEN K·Filed 1995·Granted Oct 6, 1998·21 cites·7 claims
- 1159US4325155ADock levelerALTEN K·Filed 1980·Granted Apr 20, 1982·14 cites·19 claims
- 1259US4175608AClosure structure, especially for openings in a buildingALTEN K·Filed 1978·Granted Nov 27, 1979·21 cites·16 claims
- 1358US4862547ATransfer bridge for docksALTEN K·Filed 1988·Granted Sep 5, 1989·14 cites·6 claims
- 1456US5640733ALoading bridge for rampsALTEN K·Filed 1995·Granted Jun 24, 1997·18 cites·13 claims
- 1554US4694522ATransfer bridgeALTEN K·Filed 1986·Granted Sep 22, 1987·13 cites·4 claims
- 1654US4516366ASeal for the gap between the edge of a building opening and the back end of a vehicle driven up to itALTEN K·Filed 1982·Granted May 14, 1985·11 cites·12 claims
- 1753US5174075ADeformable sealing device for a gap between a wall opening of a building wall and a back wall of a vehicleALTEN K·Filed 1991·Granted Dec 29, 1992·15 cites·4 claims
- 1852US5167101ADeformable sealing device for a gap between a wall opening of a building wall and a back wall of a vehicleALTEN K·Filed 1991·Granted Dec 1, 1992·14 cites·25 claims
- 1952US4382307ATransfer bridgeALTEN K·Filed 1981·Granted May 10, 1983·10 cites·10 claims
- 2048US4825606ADeformable sealing arrangement for the gap between the edge of an opening in a building and the back end of a vehicle that is driven up to the openingALTEN K·Filed 1987·Granted May 2, 1989·10 cites·4 claims
- 2146US4785594ADeformable sealing arrangement for the gap between the edge of an opening in a building and the back end of a vehicle that is driven up to the openingALTEN K·Filed 1987·Granted Nov 22, 1988·9 cites·6 claims
- 2242US4670928ATransfer bridgeALTEN K·Filed 1986·Granted Jun 9, 1987·7 cites·8 claims
- 2341US4986405AInclined rampALTEN K·Filed 1990·Granted Jan 22, 1991·8 cites·8 claims
- 2440US4749018ASectional door for buildings and the likeALTEN K·Filed 1986·Granted Jun 7, 1988·10 cites·8 claims
- 2539US4510638ATransfer bridge for rampsALTEN K·Filed 1982·Granted Apr 16, 1985·5 cites·3 claims
- 2637US4800604ABridging device for docksALTEN K·Filed 1988·Granted Jan 31, 1989·5 cites·4 claims
- 2733US4156953AGuiding arrangement for closure bodies, especially roller doors, roller gates, and shuttersALTEN K·Filed 1978·Granted Jun 5, 1979·3 cites·8 claims
- 2831US4730965ABolt connection to connect a hollow profiled member to a profiled member disposed transverse theretoALTEN K·Filed 1986·Granted Mar 15, 1988·3 cites·7 claims
- 2930US4835806ATransfer bridge for a dockALTEN K·Filed 1988·Granted Jun 6, 1989·0 cites·12 claims
- 3029US5148751ABridging mechanism for crossing railroad tracks with vertically moving pivot carriage for bridge plateALTEN K·Filed 1991·Granted Sep 22, 1992·6 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →