Richard G Bisker

US Patent:

52073580, May 4, 1993

Filed:

Apr 1, 1991

Appl. No.:

7/677920

Inventors:

Richard G. Bisker - Salisbury MD

Assignee:

Dresser Industries, Inc. - Dallas TX

International Classification:

B01D 2710

US Classification:

222189

Abstract:

An apparatus for isolating an underground piping system from dispensers having a filter assembly. The isolation apparatus includes a seal member and a securing member which replace an in-line filter assembly. The seal member has a similar cross-sectional shape of the filter with a pair of inner and outer seals. The securing member is receivable on a nipple adapter that the filter assembly was received on and abuts the back portion of the seal member to engage the seals against an outlet conduit of the underground piping system.

US Patent:

D2767260, Dec 11, 1984

Filed:

Jun 30, 1982

Appl. No.:

6/394019

Inventors:

John A. Todd - Salisbury MD
Richard G. Bisker - Salisbury MD

Assignee:

Dresser Industries, Inc. - Dallas TX

US Classification:

D15 92

US Patent:

47230550, Feb 2, 1988

Filed:

Mar 17, 1987

Appl. No.:

7/026766

Inventors:

Richard G. Bisker - Salisbury MD

Assignee:

Dresser Industries, Inc. - Dallas TX

International Classification:

H02G 15013

US Classification:

174 77R

Abstract:

A multi-wire conduit dam consisting of a molded strip of closed cell sponge rubber or equivalent that is shaped like a timing belt having recesses on at least one side with the recessed surface coated with adhesive or double sided adhesive tape after wires are placed in the recesses. The strip is then rolled together to form a cylindrical dam which may then be installed in an appropriate conduit.

US Patent:

46117296, Sep 16, 1986

Filed:

Aug 28, 1984

Appl. No.:

6/645380

Inventors:

William J. Gerstenmaier - Salisbury MD
Richard G. Bisker - Salisbury MD

Assignee:

Dresser Industries, Inc. - Dallas TX

International Classification:

B67D 512

US Classification:

222 75

Abstract:

A nozzle boot for a fuel dispenser in which the nozzle support hook is adjustably settable between a first position for accommodating a standard size dispenser nozzle and a second position for accommodating a larger size dispenser nozzle utilized for recovering fuel vapor while fuel is being dispensed. For electrically actuating the dispenser to enable fuel to be dispensed through the nozzle, the nozzle support is slidably displaceable for operating a linkage mechanism connected to the operating switch.