Inventor · disambiguated record
Ralph H. Lewis
Also filed as: LEWIS RALPH · LEWIS RALPH H · LEWIS RALPH HARRISON
6 granted patents·4 pending applications·478 citations·filing 1986–2007
88Inventor score
Top patents by PatentIndex Score
10 records- 0195US4799477ARebreathing maskLEWIS RALPH H·Filed 1988·Granted Jan 24, 1989·247 cites·3 claims
- 0292US5873250ANon-polluting open Brayton cycle automotive power unitLEWIS RALPH H·Filed 1997·Granted Feb 23, 1999·80 cites·21 claims
- 0390US4930843AHollow shell fiber reinforced resin impregnated bicycle wheel construction and method thereforHAMILTON SATTUI·Filed 1988·Granted Jun 5, 1990·58 cites·14 claims
- 0479US5634339ANon-polluting, open brayton cycle automotive power unitLEWIS RALPH H·Filed 1995·Granted Jun 3, 1997·58 cites·25 claims
- 0548US2010174380A1Extended range of motion, constrained prosthetic hip-jointLEWIS RALPH H·Filed 2007·Application pending·0 cites
- 0642US2004220675A1Total elbow replacement for dogsFiled 2004·Application pending·0 cites
- 0741US2005055100A1Total knee replacement for dogsFiled 2003·Application pending·0 cites
- 0838US2001049845A1Apparatus for raising and lowering a vehicle jackFiled 2001·Application pending·0 cites
- 0932US4764346ADisposable rebreathing canisterPIONEER MEDICAL SYSTEMS INC·Filed 1986·Granted Aug 16, 1988·25 cites·7 claims
- 1031US5746768AScissor action low profile surgical hand instrumentBIOMET INC·Filed 1996·Granted May 5, 1998·10 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →