Inventor · disambiguated record
Donald L. Ray
Also filed as: RAY DONALD L
10 granted patents·108 citations·filing 1978–1993
90Inventor score
Top patents by PatentIndex Score
10 records- 0177US4246454ATiming mechanism having a short pulse prior to its overall programEMHART IND·Filed 1978·Granted Jan 20, 1981·15 cites·11 claims
- 0273US4348560ATiming mechanism having a short pulse prior to its overall programEMHART IND·Filed 1980·Granted Sep 7, 1982·15 cites·2 claims
- 0363US4531028ATimer with improved switch blade arrangementEMHART IND·Filed 1983·Granted Jul 23, 1985·12 cites·5 claims
- 0458US4904828AMulti-circuit slide switch assembly with distinct plunger operated switchEMHART IND·Filed 1988·Granted Feb 27, 1990·11 cites·5 claims
- 0558US4868354ASlide switch with light guideEMHART IND·Filed 1988·Granted Sep 19, 1989·16 cites·12 claims
- 0652US4967044AElectromechanical switchEMHART IND·Filed 1988·Granted Oct 30, 1990·14 cites·8 claims
- 0749US5321219ALever actuated pedal operated switch assemblyEMERSON ELECTRIC CO·Filed 1993·Granted Jun 14, 1994·9 cites·14 claims
- 0848US4611103AMeans providing intermittent motion to a cam means of a timing mechanism and having sub-interval switching meansEMHART IND·Filed 1985·Granted Sep 9, 1986·8 cites·8 claims
- 0942US4346270ATiming mechanism with a digital clockEMHART IND·Filed 1980·Granted Aug 24, 1982·5 cites·13 claims
- 1029US4855543AManually operated electromechanical switchEMHART IND·Filed 1988·Granted Aug 8, 1989·3 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →