Inventor · disambiguated record
Donald R. Onken
Also filed as: ONKEN DONALD · ONKEN DONALD R · ONKEN JR DONALD R
19 granted patents·1 pending application·259 citations·filing 1982–2017
95Inventor score
Top patents by PatentIndex Score
20 records- 0180US4450828ATruck having equipment for on-site heating and collecting used grease from containersONKEN DONALD R·Filed 1982·Granted May 29, 1984·37 cites·5 claims
- 0269US5850503AAngled heat tube for use in a fluid storage tankONKEN L L C·Filed 1997·Granted Dec 15, 1998·30 cites·18 claims
- 0368US6996336B1Economical heated grease storage tankMAHONEY JOHN·Filed 2004·Granted Feb 7, 2006·15 cites·11 claims
- 0468US6157776AHeated storage tank for grease recyclingFiled 1997·Granted Dec 5, 2000·28 cites·11 claims
- 0564US5908551AGrease caddieONKEN S INC·Filed 1998·Granted Jun 1, 1999·34 cites·4 claims
- 0660USD373876SContainer lidONKEN DONALD R·Filed 1995·Granted Sep 17, 1996·11 cites·1 claims
- 0758US8511501B2Theft proof lid for grease bin with dual locking feature and method for installingONKEN JR DONALD R·Filed 2009·Granted Aug 20, 2013·5 cites·12 claims
- 0857US7457399B2Sensing device for monitoring conditions at a remote location and method thereforONKEN DONALD·Filed 2003·Granted Nov 25, 2008·8 cites·54 claims
- 0954US6981498B2Waste grease collection tank and method for its useONKEN DONALD·Filed 2003·Granted Jan 3, 2006·7 cites·11 claims
- 1048US10752435B2Grease containerONKEN JR DONALD R·Filed 2017·Granted Aug 25, 2020·0 cites·7 claims
- 1147USD460876SMachinery cabinetFiled 2001·Granted Jul 30, 2002·6 cites·1 claims
- 1246US5911346AGrease container having a drip-free lip along a pouring edgeONKEN ENTERPRISES·Filed 1998·Granted Jun 15, 1999·13 cites·4 claims
- 1344US2003108171A1Sensing device for monitoring conditions at a remote location and method thereforFiled 2003·Application pending·0 cites
- 1443US5887806ASafety device for preventing a fire in a shredder machineFiled 1997·Granted Mar 30, 1999·9 cites·10 claims
- 1540US4624468AWheel carriage accessory for rendering waste containers moveableONKEN DONALD R·Filed 1986·Granted Nov 25, 1986·15 cites·3 claims
- 1639US5718220ATruck body for on-site heating and collecting waste grease from different sized containersFiled 1995·Granted Feb 17, 1998·11 cites·4 claims
- 1738USD460289SMachinery cabinetFiled 2001·Granted Jul 16, 2002·3 cites·1 claims
- 1837US5938250ALock for a container lidONKEN ENTERPRISES·Filed 1997·Granted Aug 17, 1999·7 cites·1 claims
- 1937US5813556ACasing system for a tankONKEN S LLC·Filed 1997·Granted Sep 29, 1998·12 cites·8 claims
- 2035US7221746B1Sensing method for monitoring conditions for a remote locationONKEN DONALD·Filed 1999·Granted May 22, 2007·8 cites·28 claims
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