Assignee
R A HANSON COMPANY INC
US·10 granted patents·204 citations·filing 1987–1997
Top patents by PatentIndex Score
10 records- 0185US5415586ACombine harvester leveling system, combine harvester header adjusting system, and pivoting chain drive systemR A HANSON COMPANY INC·Filed 1993·Granted May 16, 1995·64 cites·41 claims
- 0266US5590482AExcavator and earthen material excavator bucket apparatusR A HANSON COMPANY INC·Filed 1995·Granted Jan 7, 1997·44 cites·17 claims
- 0359US4785560AContinuous excavating apparatusR A HANSON COMPANY INC·Filed 1987·Granted Nov 22, 1988·16 cites·23 claims
- 0456US6185847B1Continuous shovelR A HANSON COMPANY INC·Filed 1997·Granted Feb 13, 2001·22 cites·41 claims
- 0553US5749452AMobile conveyor including alignment systemR A HANSON COMPANY INC·Filed 1995·Granted May 12, 1998·23 cites·19 claims
- 0652US4871213AExcavating apparatus with adjustable breaker barR A HANSON COMPANY INC·Filed 1988·Granted Oct 3, 1989·12 cites·3 claims
- 0739US5203461AMineral jig apparatusR A HANSON COMPANY INC·Filed 1991·Granted Apr 20, 1993·9 cites·20 claims
- 0833US4999934ADredging apparatusR A HANSON COMPANY INC·Filed 1988·Granted Mar 19, 1991·6 cites·20 claims
- 0927US4858347AContinuous excavating apparatus and methodsR A HANSON COMPANY INC·Filed 1988·Granted Aug 22, 1989·7 cites·27 claims
- 1026US4849097ACam actuated mineral jigR A HANSON COMPANY INC·Filed 1987·Granted Jul 18, 1989·1 cites·15 claims
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