David E. Sisk — 63 Patents at Bulk Tank

David E. Sisk has been granted 63 US patents while listed as an inventor at Bulk Tank. The first was granted in 1987 and the most recent in August 2025. David E. Sisk ranks #35,470 of 4,157,543 US inventors in our database (top 0.85%). Patent records list David E. Sisk in Bonne Terre, MO, US.

Issued Patents All Time

Showing 1–25 of 63 patents

Patent #	Title	Co-Inventors	Date
D1090791	Filter tube holding grommet	Peter Kemp, Travis Kinneman, Andrew Boyer, Roger Breakfield	2025-08-26
12337269	Vacuum filter assembly for processing bulk granular material and filter mounting assembly therefore	Peter Kemp, Roger Breakfield, Andrew Boyer, Travis Kinneman	2025-06-24
12280327	Vacuum filter assembly for cleansing air for use in transfer of bulk, granular material as in conveying vehicles	Peter Kemp, Roger Breakfield, Andrew Boyer, Travis Kinneman	2025-04-22
12115473	Pressure and heat molded polymer tube with interlocking grommet	Peter Kemp, Roger Breakfield, Andrew Boyer, Travis Kinneman, Todd Watkins +1 more	2024-10-15
12005551	Adjustable pivot bolt for a sealed manhole clamp	Peter Kemp, Jason Husky	2024-06-11
10766694	Alternative bottom drop and straight tee discharge from bulk tank having various extensions for automatic and manual operations of the tee valve	Jason Huskey, Peter Kemp	2020-09-08
10753526	Unload elbow with spherical wear pocket	—	2020-08-25
10150071	Filter guide ring	—	2018-12-11
10145500	Structured tee with wear pocket	—	2018-12-04
10040626	Hopper tee having drop opening with arcuate closure	—	2018-08-07
9677672	Butterfly valve having integral gaskets for its inlet and outlet seats	—	2017-06-13
9328855	Tee and unload line with integrated cam lock	—	2016-05-03
9267611	Multi-angle butterfly valve extension assembly	—	2016-02-23
9175796	Hopper tee with comformable arcuate closure member	—	2015-11-03
9057445	Butterfly valve disc to attain accelerated flow	—	2015-06-16
D726288	Unload elbow with spherical wear pocket	—	2015-04-07
D722140	Integrated tee	—	2015-02-03
D711509	Aeration butterfly valve	—	2014-08-19
8807529	Handle extension for butterfly valve	—	2014-08-19
8727306	Valve handle for butterfly valve for bulk commodity hopper with tee	—	2014-05-20
D703788	Universal handle extension for unloading butterfly valve for tank trailer or other vehicle	—	2014-04-29
8657898	Air filter spin flow inlet/outlet housing	—	2014-02-25
D696748	Combined butterfly valve stem and disc	—	2013-12-31
8419072	Shallow angle elbow	—	2013-04-16
D678472	Valve handle	—	2013-03-19

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David E. Sisk — 63 Patents

Issued Patents All Time

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