Inventor · disambiguated record
John Hatfield
Also filed as: HATFIELD JOHN · HATFIELD JOHN B
6 granted patents·93 citations·filing 1988–2006
84Inventor score
Technology areasA01K
Top patents by PatentIndex Score
6 records- 0177US6318297B1Livestock free stall and method for making the sameFiled 2000·Granted Nov 20, 2001·24 cites·10 claims
- 0262US4867105ASafety stanchion release apparatusHATFIELD JOHN·Filed 1988·Granted Sep 19, 1989·24 cites·1 claims
- 0360US7784431B2Animal stanchion with selectively releasable featureHATFIELD JOHN B·Filed 2006·Granted Aug 31, 2010·7 cites·17 claims
- 0446US4976224ADouble hinged cattle stanchion apparatusHATFIELD JOHN·Filed 1990·Granted Dec 11, 1990·17 cites·3 claims
- 0543US6082306AAnimal safety stanchion with stanchion bumperFiled 1998·Granted Jul 4, 2000·14 cites·11 claims
- 0632US5878697AAnimal safety stanchionFiled 1997·Granted Mar 9, 1999·7 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →