Inventor · disambiguated record

John Cowpertwait

Also filed as: COWPERTWAIT JOHN

2 granted patents·21 citations·filing 1977–1985

58Inventor score

Technology areasB65G

Files withBABCOCK HYDRO PNEUMATICS2

Top patents by PatentIndex Score

2 records

0160US4152029AFluent solid material handling meansBABCOCK HYDRO PNEUMATICS·Filed 1977·Granted May 1, 1979·18 cites·12 claims
0226US4667810ASeals between conveyors and hoppers discharging on to the conveyorsBABCOCK HYDRO PNEUMATICS·Filed 1985·Granted May 26, 1987·3 cites·3 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →