Inventor · Springfield, OH, US

David Long

19Patents
6h-index
15Co-inventors
63Inventor score

Filing activity: Mar 11, 1991 → Sep 30, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5596815A Material drying process Mechanical Engineering; Lighting; Heating 22 Expired
US5161315A Fluidized bed particulate material treating apparatus Mechanical Engineering; Lighting; Heating 18 Expired
US6099288A Pellet forming extrusion apparatus Emerging Cross-Sectional Technologies 12 Expired
USD879113S1 Display panel or portion thereof with a transitional graphical user interface General 6 Active
USD887422S1 Display panel or portion thereof with a transitional graphical user interface General 6 Active
US5238399A Material treating apparatus Mechanical Engineering; Lighting; Heating 6 Expired
US5316128A Particulate material feeder Performing Operations; Transporting 5 Expired
US7118470B2 System and method for processing meat Human Necessities 3 Expired
US6939216B2 System and method for processing meat Human Necessities 3 Expired
US7811158B2 Method for processing meat Human Necessities 3 Active
US8672731B2 Method for processing meat Human Necessities 2 Active
US5390429A Particulate material feeder Performing Operations; Transporting 2 Expired
US11147206B2 System and method for monitoring the frame levelness of an agricultural implement based on seedbed floor data Human Necessities 1 Active
US11483959B2 Disk assembly with multi-plane angle adjustment and related systems and methods Human Necessities 1 Active
US11252860B2 Agricultural product control system for an agricultural implement Human Necessities 0 Active
US11297757B2 System for monitoring the displacement of a ground engaging tool Human Necessities 0 Active
US10136574B2 Row cleaner suspension for agricultural implement Emerging Cross-Sectional Technologies 0 Active
US9386778B2 System and method for processing meat Human Necessities 0 Active
US11135115B2 Burial vault system and method Human Necessities 0 Active

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