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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Heyl; Robert D.
Address:
Williamsport, PA
No. of patents:
6
Patents:












Patent Number Title Of Patent Date Issued
5078435 Self-aligned flanged coupling January 7, 1992
A self-aligned flanged coupling for a pair of product transport pipes comprising a male member, a female member disposable in coupling relation to the male member, a clamping assembly mating with the male and female members for releasably securing the members, and an O-ring for disposed
4889452 Vented product pump and air filter arrangement December 26, 1989
An apparatus for handling communited materials including a material hopper defining a zone into which the material may be deposited, a filter device having an inlet communicating with the material depositing zone, a pump defining a chamber for receiving material from the hopper, a valve
4830043 Improvement in rotary valves May 16, 1989
In a rotary valve assembly including a housing having a valve chamber and a removable cover member defining an end wall of the chamber, a drive shaft journaled in the housing and having an end portion projecting into the valve chamber and a rotary valve disposed in the valve chamber and
4770611 Product pump assembly September 13, 1988
A product pump assembly including a product pump having a product receiving inlet, a product discharge outlet, a product chamber, and an air port. A cone-shaped feed valve in the product chamber is forced upwards against the inlet thereby sealing it when pressurized air is forced through
4600032 Rotary shaft seal assembly July 15, 1986
A rotary valve having a housing enclosing a drive shaft and a rotor assembly. The housing has an inlet, an outlet, an access end, and a detachable closure plate for closing the access end. The drive shaft, which is journalled in the housing, has a shaft end disposed generally between
4059205 Rotary valve November 22, 1977
A rotary valve which is particularly useful in handling foodstuff or materials which will not tolerate cross-batch contamination, said valve including a housing having an inlet and an outlet which may be connected to a pneumatic conveying duct or the like, and having an access open end,










 
 
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