Inventor · disambiguated record
John Harrap
Also filed as: HARRAP JOHN
2 granted patents·31 citations·filing 1974–1975
62Inventor score
Technology areasD01H
Files withPARKS CRAMER LTD2
Top patents by PatentIndex Score
2 records- 0179US3986328AMethod and apparatus for pneumatically removing fiber and trash waste on open-end spinning machinesPARKS CRAMER LTD·Filed 1975·Granted Oct 19, 1976·17 cites·29 claims
- 0266US3953961AMethod and apparatus for spinning yarns on open-end spinning machines and pneumatically removing fiber and trash waste incident to spinningPARKS CRAMER LTD·Filed 1974·Granted May 4, 1976·14 cites·69 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →