Inventor · Ocala, FL, US

John E. Thelen

9Patents
6h-index
10Co-inventors
60Inventor score

Filing activity: Aug 6, 1993 → Jan 31, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US6447583B1 Rotating drum adsorber process and system Performing Operations; Transporting 48 Expired
US5350442A Gas handling system and adsorbent dryer regeneration apparatus Mechanical Engineering; Lighting; Heating 28 Expired
US5746807A Gas handling system and adsorbent dryer regeneration apparatus Mechanical Engineering; Lighting; Heating 18 Expired
US7243679B2 Adsorbent fractionator directional flow control valve assembly apparatus and method Emerging Cross-Sectional Technologies 18 Expired
US6527836B1 Rotating drum adsorber process and system Performing Operations; Transporting 15 Expired
US7814934B2 Adsorbent fractionator directional flow control valve assembly apparatus and method Emerging Cross-Sectional Technologies 11 Active
US6152163A Switching valve for multi-chamber adsorbent air and gas fractionation system Emerging Cross-Sectional Technologies 6 Expired
US5638859A Float controlled valve Emerging Cross-Sectional Technologies 4 Expired
US9463434B2 Heat reactivated adsorbent gas fractionator and process Performing Operations; Transporting 1 Active

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