Inventor · disambiguated record
Richard Zechnall
Also filed as: ZECHNALL RICHARD
4 granted patents·59 citations·filing 1970–1976
77Inventor score
Files withBOSCH GMBH ROBERT4
Top patents by PatentIndex Score
4 records- 0185US4040394AApparatus repetitively controlling the composition of exhaust emissions from internal combustion engines, in predetermined intervalsBOSCH GMBH ROBERT·Filed 1975·Granted Aug 9, 1977·29 cites·17 claims
- 0252US3935444APolarized light beam source in a vehicle headlightBOSCH GMBH ROBERT·Filed 1974·Granted Jan 27, 1976·13 cites·6 claims
- 0345US3990412AInjection control system for an internal combustion engineBOSCH GMBH ROBERT·Filed 1970·Granted Nov 9, 1976·9 cites·12 claims
- 0440US4109616AInjection control system for an internal combustion engineBOSCH GMBH ROBERT·Filed 1976·Granted Aug 29, 1978·8 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →