Inventor · Seattle, WA, US

Phillip North

9Patents
2h-index
25Co-inventors
51Inventor score

Filing activity: Oct 26, 2000 → Aug 12, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6708984B1 Seal assemblies Mechanical Engineering; Lighting; Heating 9 Expired
US10725638B1 System and method for creation of marketing analytic dashboards Physics 4 Active
US7900652B2 Gas supply system for a pumping arrangement Emerging Cross-Sectional Technologies 2 Active
US11542946B2 Twin-shaft pumps with thermal breaks Mechanical Engineering; Lighting; Heating 1 Active
US12049894B2 Multi-stage pump apparatus including sealing member Mechanical Engineering; Lighting; Heating 0 Active
US11098718B2 Pump cooling systems Mechanical Engineering; Lighting; Heating 0 Active
US10968909B2 Pump comprising a proximity sensor Mechanical Engineering; Lighting; Heating 0 Active
US11326604B2 Multi-stage vacuum pump and a method of differentially pumping multiple vacuum chambers Mechanical Engineering; Lighting; Heating 0 Active
US12085178B2 Non-return check valve and check valve apparatus for vacuum system Mechanical Engineering; Lighting; Heating 0 Active

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