Inventor · disambiguated record
Sherman B. Frederick
Also filed as: FREDERICK SHERMAN B
5 granted patents·183 citations·filing 1977–1999
84Inventor score
Top patents by PatentIndex Score
5 records- 0186US4147263AHigh lift loader with extended transferLULL ENGINEERING COMPANY INC·Filed 1977·Granted Apr 3, 1979·46 cites·14 claims
- 0277US6192542B1Sweeper conveyor overflow and leakage recycling rampTENNANT CO·Filed 1999·Granted Feb 27, 2001·48 cites·5 claims
- 0374US4373227ASurface maintenance equipmentTENNANT CO·Filed 1980·Granted Feb 15, 1983·36 cites·8 claims
- 0468US4615070ASweeper with speed control for brush and vacuum fanTENNANT CO·Filed 1984·Granted Oct 7, 1986·28 cites·27 claims
- 0568US4231450AOverload warning systemWHITE FARM EQUIP·Filed 1978·Granted Nov 4, 1980·25 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →