Inventor · disambiguated record
Robert A. Ingalls
Also filed as: INGALLS ROBERT A
7 granted patents·118 citations·filing 1976–1990
86Inventor score
Top patents by PatentIndex Score
7 records- 0173US4109362AMethod of making screw rotor machine rotorsJOY MFG CO·Filed 1977·Granted Aug 29, 1978·14 cites·8 claims
- 0269US4938672AScrew rotor lobe profile for simplified screw rotor machine capacity controlEXCET CORP·Filed 1989·Granted Jul 3, 1990·27 cites·4 claims
- 0367US4527967AScrew rotor machine with specific tooth profileDUNHAM BUSH INC·Filed 1984·Granted Jul 9, 1985·22 cites·9 claims
- 0457US5066205AScrew rotor lobe profile for simplified screw rotor machine capacity controlEXCET CORP·Filed 1990·Granted Nov 19, 1991·21 cites·3 claims
- 0553US4053263AScrew rotor machine rotors and method of makingJOY MFG CO·Filed 1976·Granted Oct 11, 1977·12 cites·8 claims
- 0651US4445831AScrew rotor machine rotors and method of makingJOY MFG CO·Filed 1982·Granted May 1, 1984·12 cites·9 claims
- 0738US4673344AScrew rotor machine with specific lobe profilesINGALLS ROBERT A·Filed 1985·Granted Jun 16, 1987·10 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →