Inventor · Newark, DE, US

Raynor A. Johnson

15Patents
13h-index
8Co-inventors
71Inventor score

Filing activity: Oct 3, 1974 → Aug 6, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US5067189A Air chamber type patient mover air pallet with multiple control features Human Necessities 144 Expired
US4528704A Semi-rigid air pallet type patient mover Human Necessities 101 Expired
US4686719A Semi-rigid air pallet type patient mover Human Necessities 88 Expired
US4272856A Disposable air-bearing patient mover and a valve employed therein Human Necessities 84 Expired
US4627426A Tear-away sterile and absorbent sheet for operating table use Emerging Cross-Sectional Technologies 73 Expired
US4155421A Planar air pallet with improved plenum chamber air dispersion means Performing Operations; Transporting 52 Expired
USRE35299E Air chamber type patient mover air pallet with multiple control features General 50 Expired
US3948344A Low cost planar air pallet material handling system Performing Operations; Transporting 48 Expired
US7725963B2 Material mover having a fluid film reservoir Human Necessities 41 Active
US4567957A Air pallet with endless belt interface Performing Operations; Transporting 35 Expired
US4298083A Flexible film air pallet for material movement Performing Operations; Transporting 20 Expired
US4399885A Flexible film air pallet for material movement Performing Operations; Transporting 15 Expired
US4643268A Air lifted and propelled vehicle Performing Operations; Transporting 14 Expired
US4832562A Integrated air bearing slip sheet material handling system and slip sheet employed therein Performing Operations; Transporting 13 Expired
US8893324B2 Low pressure fluidized horizontal and vertical movement device Human Necessities 0 Active

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