Inventor · disambiguated record
David R. Zittel
Also filed as: ZITTEL DAVID R
66 granted patents·9 pending applications·2,188 citations·filing 1986–2025
99Inventor score
Top patents by PatentIndex Score
75 records- 0198US10709161B2Rotary screw blancherLYCO MFG INC·Filed 2017·Granted Jul 14, 2020·7 cites·20 claims
- 0298US7500426B2Rotary cooker and cooler with improved product transfer mechanismLYCO MFG INC·Filed 2005·Granted Mar 10, 2009·49 cites·21 claims
- 0398US6234066B1Rotary blancher for processing food productLYCO MFG INC·Filed 2000·Granted May 22, 2001·59 cites·36 claims
- 0498US5433849ADouble drum waste water screenLYCO MFG INC·Filed 1993·Granted Jul 18, 1995·82 cites·9 claims
- 0597US8191466B2Rotary screw blancher with fluid passage and fluid agitationMAUPIN DANIEL D·Filed 2009·Granted Jun 5, 2012·20 cites·27 claims
- 0696US8087348B2Rotary screw blancherMAUPIN DANIEL D·Filed 2009·Granted Jan 3, 2012·23 cites·21 claims
- 0796US6205913B1Rotary drum blancher for cooking foodLYCO MFG INC·Filed 2000·Granted Mar 27, 2001·64 cites·17 claims
- 0895US11154066B2Rotary screw blancherLYCO MFG INC·Filed 2018·Granted Oct 26, 2021·5 cites·19 claims
- 0995US8739691B2Rotary screw blancherZITTEL DAVID R·Filed 2011·Granted Jun 3, 2014·7 cites·20 claims
- 1095US6187360B1Method of operation of a pressurized rotary blancherFiled 2000·Granted Feb 13, 2001·46 cites·15 claims
- 1195US5329842ACombination blancher and coolerLYCO MFG INC·Filed 1993·Granted Jul 19, 1994·82 cites·12 claims
- 1294US12357014B2Screw blancherLYCO MFG INC·Filed 2021·Granted Jul 15, 2025·1 cites·24 claims
- 1394US8839712B2Transfer mechanism for use with a food processing systemSTOUSLAND GLENN W·Filed 2011·Granted Sep 23, 2014·13 cites·7 claims
- 1494US8776674B2Rotary screw blancherMAUPIN DANIEL D·Filed 2011·Granted Jul 15, 2014·12 cites·18 claims
- 1594US8006613B2Transfer mechanism for use with a food processing systemLYCO MFG INC·Filed 2009·Granted Aug 30, 2011·12 cites·9 claims
- 1694US5752431ABlancher with multiple cooling zonesFiled 1996·Granted May 19, 1998·89 cites·54 claims
- 1793US9452899B2Transfer mechanism for use with a food processing systemLYCO MFG INC·Filed 2014·Granted Sep 27, 2016·6 cites·11 claims
- 1893US7735415B2Rotary Screw blancherLYCO MFG INC·Filed 2005·Granted Jun 15, 2010·29 cites·53 claims
- 1993US6214400B1Method for processing food productLYCO MFG INC·Filed 1999·Granted Apr 10, 2001·65 cites·40 claims
- 2092US10893691B2Cooling mechanism for use with a food processing systemLYCO MFG INC·Filed 2017·Granted Jan 19, 2021·4 cites·24 claims
- 2192US10710820B2Transfer mechanism for use with a food processing systemLYCO MFG INC·Filed 2018·Granted Jul 14, 2020·3 cites·7 claims
- 2292US10112785B2Transfer mechanism for use with a food processing systemLYCO MFG INC·Filed 2016·Granted Oct 30, 2018·8 cites·10 claims
- 2392US5592869AOpen throat blancher with support bracesLYCO MFG INC·Filed 1996·Granted Jan 14, 1997·78 cites·23 claims
- 2492US5429041ABlancher with multiple heating zonesLYCO MFG INC·Filed 1994·Granted Jul 4, 1995·66 cites·13 claims
- 2592US5133249ASteam and air injection blancherLYCO MFG INC·Filed 1991·Granted Jul 28, 1992·77 cites·12 claims
- 2691US6263785B1Blancher and method of operationFiled 1998·Granted Jul 24, 2001·79 cites·41 claims
- 2791US5427015ADrum with exterior frame for blanchers and coolersLYCO MFG INC·Filed 1993·Granted Jun 27, 1995·73 cites·5 claims
- 2890US9609976B2Rotary screw blancherLYCO MFG INC·Filed 2014·Granted Apr 4, 2017·6 cites·18 claims
- 2990US6105485APressurized rotary blancherFiled 1998·Granted Aug 22, 2000·58 cites·35 claims
- 3090US5146841AOpen-throat blancherZITTEL DAVID R·Filed 1992·Granted Sep 15, 1992·71 cites·9 claims
- 3190US4875344AChillerLYCO MFG INC·Filed 1989·Granted Oct 24, 1989·58 cites·14 claims
- 3289US9060530B2Transfer mechanism for use with a food processing systemSTOUSLAND GLENN W·Filed 2008·Granted Jun 23, 2015·7 cites·37 claims
- 3389US8800435B2Rotary screw blancher with fluid passage and fluid agitationMAUPIN DANIEL D·Filed 2012·Granted Aug 12, 2014·13 cites·25 claims
- 3489US6615707B1Frameless blancher for foodLYCO MFG INC·Filed 2000·Granted Sep 9, 2003·19 cites·10 claims
- 3588US11582992B2Cooling mechanism for use with a food processing systemLYCO MFG INC·Filed 2021·Granted Feb 21, 2023·1 cites·16 claims
- 3688US5632195AFood processing apparatus with non-straight lifting and agitating bafflesFiled 1996·Granted May 27, 1997·59 cites·47 claims
- 3787US10143209B2Rotary screw blancherLYCO MFG INC·Filed 2014·Granted Dec 4, 2018·8 cites·23 claims
- 3887US6182833B1Reciprocating sprayer for a cylindrical wastewater screenFiled 2000·Granted Feb 6, 2001·43 cites·8 claims
- 3987US4688476AIndustrial food processing machineLYCO MFG INC·Filed 1986·Granted Aug 25, 1987·54 cites·11 claims
- 4086US11975928B2Transfer mechanism for use with a food processing systemLYCO MFG INC·Filed 2022·Granted May 7, 2024·0 cites·4 claims
- 4186US11751589B2Cooling mechanism for use with a food processing systemLYCO MFG INC·Filed 2023·Granted Sep 12, 2023·0 cites·16 claims
- 4286US11166484B2Rotary screw blancher with fluid passage and fluid agitationLYCO MFG INC·Filed 2018·Granted Nov 9, 2021·3 cites·22 claims
- 4386USRE42732ERotary blancher for processing food productLYCO MFG INC·Filed 2004·Granted Sep 27, 2011·18 cites·47 claims
- 4486US5327817AFood machinery with agitating flight augerLYCO MFG INC·Filed 1993·Granted Jul 12, 1994·53 cites·12 claims
- 4586US4942810AWater seal blancherLYCO MFG INC·Filed 1988·Granted Jul 24, 1990·66 cites·23 claims
- 4685US6419094B1Fixed sequential sprayer for a cylindrical wastewater screenLYCO MFG INC·Filed 2000·Granted Jul 16, 2002·44 cites·12 claims
- 4784US11896021B2Rotary screw blancherLYCO MFG INC·Filed 2021·Granted Feb 13, 2024·0 cites·16 claims
- 4884US5456091AWater agitation coolerFiled 1994·Granted Oct 10, 1995·49 cites·16 claims
- 4984US5341729ADischarge for rotating drum blanchers and coolersLYCO MFG INC·Filed 1993·Granted Aug 30, 1994·49 cites·9 claims
- 5081US8087349B2Rotary screw blancherZITTEL DAVID R·Filed 2010·Granted Jan 3, 2012·3 cites·28 claims
Showing the top 50 of 75 patent records by PatentIndex Score.
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