Inventor · Eldridge, IA, US

Mark L. Pearson

18Patents
10h-index
21Co-inventors
72Inventor score

Filing activity: Oct 18, 1982 → Aug 29, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US7306174B2 Broadcast width and location control for a combine spreader Human Necessities 35 Expired
US8176716B2 Flexible reel for an agricultural harvesting head Human Necessities 30 Active
US5468573A Electrolyte paste for molten carbonate fuel cells Emerging Cross-Sectional Technologies 27 Expired
US7992372B1 Draper platform with breakaway joint Human Necessities 26 Active
US8087224B1 Flexible draper platform with pivot geometry Human Necessities 22 Active
US7331855B2 Wide-spread impeller spreader for harvesting combine Human Necessities 21 Active
US5466190A Precleaner for a cleaning shoe Human Necessities 12 Expired
US4440179A Stone trap for an axial flow rotary separator Emerging Cross-Sectional Technologies 11 Expired
US9258945B2 Hanger mount for a reciprocating sieve Human Necessities 11 Active
US8062109B1 Dust suppressor for combine harvester feederhouse Human Necessities 10 Active
US9226450B2 Lightweight hybrid material reciprocating sieve Human Necessities 7 Active
US8118651B2 Crop residue chopping and distributing arrangement for a combine Human Necessities 6 Active
US9622409B2 Reciprocating knife assembly and reciprocating knife drive assembly Human Necessities 6 Active
US7950989B2 Combine with an endless conveyor that can be moved between a swath depositing position and a chopper position Human Necessities 4 Active
US9345198B2 Residue chopping and distribution arrangement for a combine harvester Human Necessities 3 Active
US7404761B2 Straw chopper with fan having enhanced air flow in an agricultural combine Human Necessities 3 Expired
US9198359B2 Frame for a reciprocating sieve Human Necessities 3 Active
US9750192B2 Integrated fan and axle arrangement for an agricultural vehicle Performing Operations; Transporting 3 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.