Inventor · Prescott, AZ, US

Peter Hall

18Patents
8h-index
19Co-inventors
69Inventor score

Filing activity: May 7, 1986 → Jun 12, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US4955379A Motion artefact rejection system for pulse oximeters Human Necessities 346 Expired
US5105815A Non-invasive monitoring of cardiac output Human Necessities 32 Expired
US9161566B2 Plant processing system and method Human Necessities 18 Active
US9057329B2 Turboprop engine systems with noise reducing inlet assemblies Emerging Cross-Sectional Technologies 15 Active
US5574601A Optical beam expander Physics 14 Expired
US11473438B2 Grooved rotor casing system using additive manufacturing method Mechanical Engineering; Lighting; Heating 13 Active
US5022410A Non-invasive monitoring of cardiac output Human Necessities 9 Expired
US10495108B2 Variable vane devices containing rotationally-driven translating vane structures and methods for the production thereof Mechanical Engineering; Lighting; Heating 9 Active
US11097282B2 Apparatus, method and system for wet or dry processing of plant material Performing Operations; Transporting 8 Active
US4804843A Aiming systems Mechanical Engineering; Lighting; Heating 4 Expired
US11073033B2 Stator attachment system for gas turbine engine Mechanical Engineering; Lighting; Heating 1 Active
US8368023B2 Optical bypass device Physics 0 Active
US11015614B2 Variable vane devices containing rotationally-driven translating vane structures and methods for the production thereof Mechanical Engineering; Lighting; Heating 0 Active
US9122058B2 Light guiding device Physics 0 Active
US11421541B2 Turbine nozzle with compliant joint Emerging Cross-Sectional Technologies 0 Active
US10440891B2 Apparatus for separating plant material from a harvested plant Human Necessities 0 Active
US11255339B2 Fan structure having integrated rotor impeller, and methods of producing the same Mechanical Engineering; Lighting; Heating 0 Active
US8390807B2 Light guiding device Physics 0 Active

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