Inventor · disambiguated record
Jon A. Schmidgall
Also filed as: SCHMIDGALL JON A
12 granted patents·180 citations·filing 1983–2013
91Inventor score
Top patents by PatentIndex Score
12 records- 0193US8926311B1Vibration system for concrete pipe making machinesHAWKEYE CONCRETE PROD CO·Filed 2013·Granted Jan 6, 2015·16 cites·14 claims
- 0276US7832703B2Apparatus and method for protecting lined concrete pipe during the manufacturing processHAWKEYE CONCRETE PROD CO·Filed 2009·Granted Nov 16, 2010·3 cites·8 claims
- 0376US4999965ASpacer for double cage reinforcement wire mesh for concrete productsHAWKEYE CONCRETE PROD CO·Filed 1990·Granted Mar 19, 1991·56 cites·3 claims
- 0470US4989388ASpacer for spacing reinforcing mesh wire from the form in the manufacture of concrete pipe and the likeHAWKEYE CONCRETE PROD CO·Filed 1989·Granted Feb 5, 1991·36 cites·1 claims
- 0570US4708621AConcrete pipe making machineHAWKEYE CONCRETE PROD CO·Filed 1985·Granted Nov 24, 1987·27 cites·7 claims
- 0663US7083406B2Vibration system for concrete pipe making machinesHAWKEYE CONCRETE PROD CO·Filed 2003·Granted Aug 1, 2006·4 cites·4 claims
- 0760US6817589B2Apparatus and method for removing joint rings from cured concrete productsHAWKEYE CONCRETE PROD CO·Filed 2002·Granted Nov 16, 2004·3 cites·3 claims
- 0848US4578235AMethod for lining pipeHAWKEYE CONCRETE PROD CO·Filed 1983·Granted Mar 25, 1986·10 cites·3 claims
- 0942US5720993ACollapsible core for concrete pipe making apparatusHAWKEYE CONCRETE PROD CO·Filed 1996·Granted Feb 24, 1998·7 cites·11 claims
- 1037US5679279ACollapsible core seam cover for concrete making apparatusHAWKEYE CONCRETE PROD CO·Filed 1996·Granted Oct 21, 1997·5 cites·9 claims
- 1137US5587185AAutomated system for handling and cleaning concrete pipe-making componentsHAWKEYE CONCRETE PROD CO·Filed 1994·Granted Dec 24, 1996·8 cites·6 claims
- 1230US4657498AApparatus for lining pipeHAWKEYE CONCRET PRODUCTS CO·Filed 1986·Granted Apr 14, 1987·5 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →