Inventor · disambiguated record
Hubert M. Drossbach
Also filed as: DROSSBACH HUBERT · DROSSBACH HUBERT M
5 granted patents·198 citations·filing 1975–1994
84Inventor score
Top patents by PatentIndex Score
5 records- 0188US5124109AMethod for producing a double wall pipeCONTECH CONSTRUCTION PRODUCTS·Filed 1990·Granted Jun 23, 1992·76 cites·9 claims
- 0282US4846660AApparatus for producing double wall pipeCONTECH CONSTRUCTION PRODUCTS·Filed 1985·Granted Jul 11, 1989·54 cites·7 claims
- 0374US4113818ADrain pipe methodAGRO DRIP INC·Filed 1977·Granted Sep 12, 1978·28 cites·3 claims
- 0465US5773044AApparatus for the manufacture of corrugated tubing from thermoplastic synthetic resinDROSSBACH GMBH & CO KG·Filed 1994·Granted Jun 30, 1998·28 cites·17 claims
- 0550US4024894APerforated corrugated tube and method and apparatus for manufacturing the sameDROSSBACH HUBERT·Filed 1975·Granted May 24, 1977·12 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →