Inventor · disambiguated record
Petrus W. Zweegers
Also filed as: ZWEEGERS PETRUS W · ZWEEGERS PETRUS WILHELMUS
14 granted patents·186 citations·filing 1974–1987
93Inventor score
Top patents by PatentIndex Score
14 records- 0183US4525990ADevice for mowing cropZWEEGERS P·Filed 1982·Granted Jul 2, 1985·37 cites·14 claims
- 0274US4253294AMowing machineZWEEGERS P·Filed 1979·Granted Mar 3, 1981·24 cites·12 claims
- 0372US4145866ATines for agricultural implementsZWEEGERS P·Filed 1977·Granted Mar 27, 1979·22 cites·5 claims
- 0466US4048790AAgricultural implementsZWEEGERS P·Filed 1974·Granted Sep 20, 1977·22 cites·12 claims
- 0565US4128987AAgricultural implementsZWEEGERS P·Filed 1976·Granted Dec 12, 1978·18 cites·23 claims
- 0656US4056923AAgricultural implementZWEEGERS P·Filed 1976·Granted Nov 8, 1977·13 cites·24 claims
- 0750US4776519ADevice for spreading granular and/or powdery materialZPM INT BV·Filed 1987·Granted Oct 11, 1988·19 cites·11 claims
- 0839US4686818AMowing machineZWEEGERS P·Filed 1985·Granted Aug 18, 1987·8 cites·3 claims
- 0939US4304087AAgricultural implementZWEEGERS P·Filed 1980·Granted Dec 8, 1981·5 cites·4 claims
- 1034US4321782ADrop crushing deviceZWEEGERS P·Filed 1980·Granted Mar 30, 1982·4 cites·10 claims
- 1133US4407114AAgricultural implementZWEEGERS P·Filed 1981·Granted Oct 4, 1983·4 cites·6 claims
- 1233US4206586AMowing machineZWEEGERS P·Filed 1978·Granted Jun 10, 1980·3 cites·7 claims
- 1331US4718612AMaize chopperZWEEGERS & ZONEN P J·Filed 1986·Granted Jan 12, 1988·4 cites·2 claims
- 1430US4727712AMowing deviceZWEEGERS & ZONEN P J·Filed 1986·Granted Mar 1, 1988·3 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →