Inventor · Wellesley, MA, US

Robert B. Carr

27Patents
11h-index
20Co-inventors
75Inventor score

Filing activity: May 27, 1980 → May 10, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US5347295A Control of a computer through a position-sensed stylus Physics 634 Expired
US5492016A Capacitive melt pressure measurement with center-mounted electrode post Physics 58 Expired
US5224383A Melt pressure measurement and the like Physics 55 Expired
US5743840A Centrifuge with a heating jacket for drying collected solids Performing Operations; Transporting 27 Expired
US5328441A Imperforate bowl centrifugal separator with solids gate Performing Operations; Transporting 24 Expired
US5356367A Centrifugal separator with flexibly suspended restrainable bowl Performing Operations; Transporting 23 Expired
US5733238A Scraping assembly having angularly offset scraper blades for removing solids from an imperforate bowl centrifuge Performing Operations; Transporting 22 Expired
US6212916A Dry cleaning process and system using jet agitation Textiles; Paper 21 Expired
US5425698A Centrifugal separator with flexibly suspended restrainable bowl Performing Operations; Transporting 20 Expired
US6260390A Dry cleaning process using rotating basket agitation Textiles; Paper 18 Expired
US5674174A Low-shear feeding system for use with bottom feed centrifuges Performing Operations; Transporting 11 Expired
US6776752B2 Automatic tube bowl centrifuge for centrifugal separation of liquids and solids with solids discharge using a scraper or piston Performing Operations; Transporting 11 Expired
US6632166B2 Centrifuge having axially movable scraping assembly for automatic removal of solids Performing Operations; Transporting 9 Expired
US6986734B2 Centrifugal separator with scraper or piston for discharging solids Performing Operations; Transporting 8 Expired
US7261683B2 Conical piston solids discharge and pumping centrifugal separator Performing Operations; Transporting 8 Expired
US5823937A Low-shear feeding system for use with centrifuges Performing Operations; Transporting 8 Expired
US7052451B2 Conical piston solids discharge centrifugal separator Performing Operations; Transporting 7 Expired
USD377685S Blood withdrawal and separation set General 5 Expired
US7618361B2 Gas driven solids discharge and pumping piston for a centrifugal separator Performing Operations; Transporting 4 Active
US7628749B2 Solids recovery using cross-flow microfilter and automatic piston discharge centrifuge Performing Operations; Transporting 4 Active
US6616590B2 Low-shear feeding system for use with centrifuges Performing Operations; Transporting 4 Expired
US7935042B2 Gas driven solids discharge and pumping piston for a centrifugal separator Performing Operations; Transporting 3 Active
US8475352B2 Solids discharge centrifugal separator with disposable contact elements Performing Operations; Transporting 2 Active
US10449555B2 Centrifugal separator with annular piston for solids extrusion Performing Operations; Transporting 2 Active
US6100779A CRT deflection unit and its method of manufacture Electricity 2 Expired

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