Inventor · disambiguated record
Jacob Karreman
Also filed as: KARREMAN JACOB
4 granted patents·62 citations·filing 1975–1979
78Inventor score
Files withPOLVA NEDERLAND BV4
Top patents by PatentIndex Score
4 records- 0164US4457886AProcess for the production of coupling pieces from a thermoplastic, and device for carrying out this processPOLVA NEDERLAND BV·Filed 1979·Granted Jul 3, 1984·21 cites·4 claims
- 0253US4065243AApparatus for forming a thickened bell end on thermoplastic pipePOLVA NEDERLAND BV·Filed 1976·Granted Dec 27, 1977·18 cites·4 claims
- 0352US4394343AProcess for the forming of coupling pieces from a thermoplasticPOLVA NEDERLAND BV·Filed 1979·Granted Jul 19, 1983·14 cites·3 claims
- 0442US4006757APipe bell end having a thickened portion and apparatus for forming the bell endPOLVA NEDERLAND BV·Filed 1975·Granted Feb 8, 1977·9 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Jacob Karreman files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →