Inventor

SISK DAVID E

US62 patents

⚠️ This page may combine multiple inventors who share the name “SISK DAVID E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SISK DAVID E

SISK DAVID E

Screened gasket

Gasket

Integrated tee

Butterfly valve incorporating sleeve seals

Butterfly valve assembly

Dust filtering and collection system

Aeration device for bulk material containers

Molded hopper tee

Cast hopper tee

Positive fluid seal butterfly valve

Unload elbow with spherical wear pocket

Aeration butterfly valve

Butterfly valve handle extension

Valve with handle extension

Arcuate disc for butterfly valve

Fluted hopper tee

In-line air filter for dry bulk tank trailers

Reinforced structural tee

Porous filter pad for fluid pressure conveying systems

Dust filtering and collection system

Tee and unload line with integrated cam lock

Butterfly valve disc to attain accelerated flow

Air filter spin flow inlet/outlet housing

Shallow angle elbow

Valve handle

Aerator device inducing cyclonic flow

Filter tube holding grommet

Multi-angle butterfly valve extension assembly

Hopper tee with comformable arcuate closure member

Handle extension for butterfly valve

Valve handle for butterfly valve for bulk commodity hopper with tee

Universal handle extension for unloading butterfly valve for tank trailer or other vehicle

Combined butterfly valve stem and disc

Handle extension for valve

(unassigned)

Pipe, valve and/or tee coupler

Pivotal hopper tee with alignable swing-away hopper tee assembly

Pipe coupler gasket with triangular sealing ridges

Low profile flanged tee

Hopper tee

Preassembled fluidizing device having expansive air passage stimulating enhanced flow of granular materials in tank trailers and containers

SURE SEAL INC

Swing-away hopper tee

Preassembled fluidizing device having expansive air passage stimulating enhanced flow of granular materials in tank trailers and containers

Filter and silencer with a quick disconnect lid

Swing check valve

CAPITAL FORMATION INC

Remotely operated manhole cover for a tanker

Remotely operated manhole cover for a tanker

BULK TANK INC

Fluted drop tee

Split collar with offset hook and hinge hopper assembly

ULTRAFLO CORP

Reinforced industrial butterfly valve

TANK TRAILER INC

Cast hopper tee