DO

Donald R. Onken

UN Unknown: 3 patents #7,366 of 83,584Top 9%
Overall (All Time): #237,542 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10752435 Grease container David Hull 2020-08-25
8511501 Theft proof lid for grease bin with dual locking feature and method for installing Joseph D. Onken 2013-08-20
7457399 Sensing device for monitoring conditions at a remote location and method therefor Tim McDonough, John J. Richardson, Steve Stone 2008-11-25
7221746 Sensing method for monitoring conditions for a remote location John J. Richardson, Steve Stone 2007-05-22
6996336 Economical heated grease storage tank John Mahoney 2006-02-07
6981498 Waste grease collection tank and method for its use 2006-01-03
D460876 Machinery cabinet 2002-07-30
D460289 Machinery cabinet 2002-07-16
6157776 Heated storage tank for grease recycling 2000-12-05
5938250 Lock for a container lid 1999-08-17
5911346 Grease container having a drip-free lip along a pouring edge 1999-06-15
5908551 Grease caddie 1999-06-01
5887806 Safety device for preventing a fire in a shredder machine 1999-03-30
5850503 Angled heat tube for use in a fluid storage tank 1998-12-15
5813556 Casing system for a tank 1998-09-29
5718220 Truck body for on-site heating and collecting waste grease from different sized containers 1998-02-17
D373876 Container lid 1996-09-17
4624468 Wheel carriage accessory for rendering waste containers moveable 1986-11-25
4450828 Truck having equipment for on-site heating and collecting used grease from containers Robert Griffin 1984-05-29