Inventor · Raleigh, NC, US

John P. Hall

14Patents
10h-index
19Co-inventors
69Inventor score

Filing activity: Nov 8, 1974 → Aug 23, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US6181981A Apparatus and method for improved vending machine inventory maintenance Physics 307 Expired
US3995444A Organ perfusion system Emerging Cross-Sectional Technologies 136 Expired
US6980887B2 Apparatus and method for improved vending machine inventory maintenance Physics 94 Expired
US6210346A Method for inserting an intracranial catheter and for monitoring intracranial pressure in a mammal Human Necessities 92 Expired
US6190367A Medical site prep device Human Necessities 71 Expired
US4970900A Pole mount organizer with modular interconnection receptacles Human Necessities 35 Expired
US5216436A Collapsible, low visibility, broadband tapered helix monopole antenna Electricity 30 Expired
US6108951A Work machine having improved implement coupling arrangement Emerging Cross-Sectional Technologies 24 Expired
US6158949A Boom assembly of a work machine Emerging Cross-Sectional Technologies 21 Expired
US8066681B1 Intracranial pressure monitor and drainage catheter assembly Human Necessities 14 Expired
US6939516B2 Multi-well plate cover and assembly adapted for mechanical manipulation Performing Operations; Transporting 10 Expired
US7125522B2 Multiwell apparatus Emerging Cross-Sectional Technologies 4 Expired
US7572411B2 Multiwell apparatus Emerging Cross-Sectional Technologies 1 Active
US7449332B2 Fluid containment for laboratory containers Performing Operations; Transporting 1 Expired

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