Inventor · disambiguated record
Douglas O. Deal
Also filed as: DEAL DOUGLAS O
7 granted patents·241 citations·filing 1977–1998
88Inventor score
Top patents by PatentIndex Score
7 records- 0195US4880107ATable top chain link with ribREXNORD CORP·Filed 1987·Granted Nov 14, 1989·85 cites·15 claims
- 0283US4951457ANarrow pitch articulated chain and links thereforDEAL DOUGLAS O·Filed 1989·Granted Aug 28, 1990·42 cites·4 claims
- 0373US4081375AFilter belt constructionSTEIN SAM ASS·Filed 1977·Granted Mar 28, 1978·28 cites·7 claims
- 0471US4128160ALeak free housing for vertical screw conveyorSTEIN SAM ASS·Filed 1977·Granted Dec 5, 1978·25 cites·8 claims
- 0564US4198167AAutomatic tempura batter mixerSTEIN SAM ASS·Filed 1979·Granted Apr 15, 1980·22 cites·14 claims
- 0649US5211254AMotorized wheelbarrow with multiple speed transmissionE Z HAUL CORP·Filed 1991·Granted May 18, 1993·31 cites·14 claims
- 0748USD412044SSelf supporting handtruckDEAL ASS INC·Filed 1998·Granted Jul 13, 1999·8 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →