Inventor · Culver City, CA, US

John R. Wells

47Patents
19h-index
31Co-inventors
81Inventor score

Filing activity: Feb 28, 1979 → Feb 10, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US4443345A Serum preparator Physics 132 Expired
US5707331A Automatic multiple-decanting centrifuge Performing Operations; Transporting 120 Expired
US5073096A Front-discharge fluid end for reciprocating pump Emerging Cross-Sectional Technologies 118 Expired
US4967606A Method and apparatus for pipetting liquids Emerging Cross-Sectional Technologies 83 Expired
USRE38757E1 Automatic multiple-decanting centrifuge and container therefor General 80 Expired
US5178602A Automatic decanting centrifuge Performing Operations; Transporting 77 Expired
US5047004A Automatic decanting centrifuge Performing Operations; Transporting 66 Expired
US7363495B2 System and method for message encryption and signing in a transaction processing system Electricity 58 Expired
USRE38730E1 Automatic multiple-decanting centrifuge and method of treating physiological fluids General 58 Expired
US5895346A Automatic multiple-decanting centrifuge Performing Operations; Transporting 56 Expired
US4574729A Chamber block for a cytocentrifuge having centrifugal force responsive supernatant withdrawal means Physics 42 Expired
US4950220A Throughput centrifuge for industrial production of proteins from human blood plasma Performing Operations; Transporting 40 Expired
US4673501A Bottle top filter Performing Operations; Transporting 40 Expired
US4527437A Pipette controller Performing Operations; Transporting 35 Expired
US5135238A Lubricated pump packing assembly Mechanical Engineering; Lighting; Heating 34 Expired
US5282982A Blood washing method Human Necessities 34 Expired
US4663058A Process for continuous separation of leukocyte/platelet-enriched fraction from whole blood Human Necessities 23 Expired
US4765899A Apparatus for continuous separation of leukocyte/platelet-enriched fraction from whole blood Performing Operations; Transporting 23 Expired
US5195657A Manifold liquid handling device with backsip function Physics 19 Expired
US5916085A Rotator for assisting a person in lying down on and getting up from a bed and method of use Human Necessities 19 Expired
US4817049A Data logging device with separated data memory unit having internal power source and transducer interface unit for connection to external transducers Physics 13 Expired
US5160333A Method for mixing blood with anticoagulant Human Necessities 11 Expired
US7185105B2 Application messaging system with flexible message header structure Electricity 8 Expired
US5085345A Hydraulic dispenser Performing Operations; Transporting 8 Expired
US4423699A Centrifuge rotor apparatus for preparing particle spreads Physics 8 Expired

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