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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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