Patent
   D271570
Priority
Aug 06 1981
Filed
Aug 06 1981
Issued
Nov 29 1983
Expiry
Nov 29 1997
Assg.orig
Entity
unknown
10
6
n/a
The ornamental design for a high temperature, high pressure filter press for the testing of drilling fluids or similar apparatus, substantially as shown and described.

FIG. 1 is a front perspective view of a high temperature, high pressure filter press for testing drilling fluids of my new design; and

FIG. 2 is a rear perspective view of a high temperature, high pressure filter press for testing drilling fluids of my new design.

Cain, David E.

Patent Priority Assignee Title
8091726, Jul 15 2009 Halliburton Energy Services Inc. Pressure vessels with safety closures and associated methods and systems
D338634, Oct 01 1991 Custom Sheet and Steel Fabricators, Inc. Pressure tester for engine heads
D387429, Jul 11 1994 TELEDYNE INSTRUMENTS, INC Cabinet for an autosampler
D406900, Jul 11 1994 TELEDYNE INSTRUMENTS, INC Autosampler
D667961, Dec 02 2009 Mettler-Toledo GmbH Laboratory instrument
D689196, Dec 02 2009 Mettler-Toledo GmbH Laboratory instrument
D919833, Mar 06 2019 Micro valve for controlling path of fluids in miniaturized capillary connections
D936236, Dec 28 2017 Sartorius Chromatography Equipment Chromatograph
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D970041, Mar 06 2019 Combined micro valve and pressing member for controlling path of fluids in miniaturized capillary connections
Patent Priority Assignee Title
3474663,
4072045, Sep 10 1976 REPRO TECHNOLOGY INC , A CORP OF DE Viscometer for indicating rheological properties of fluids having high and low viscosity components
4312216, Jul 24 1979 COMMISSARIAT A L ENERGIE ATOMIQUE Device for vibrating the pin of a viscometer
233508,
233509,
D260739, Nov 19 1979 MI DRILLING FLUIDS COMPANY, HOUSTON, TEXAS A TEXAS GENERAL PARTNERSHIP Viscometer
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 06 1981Halliburton Company(assignment on the face of the patent)
Nov 04 1981CAIN, DAVID E HALLIBURTON COMPANY, A CORP OF DE ASSIGNMENT OF ASSIGNORS INTEREST 0039270226 pdf
Dec 11 1986HALLIBURTON COMPANY, A CORP OF DE MI DRILLING FLUIDS COMPANY, HOUSTON, TEXAS A TEXAS GENERAL PARTNERSHIPASSIGNMENT OF ASSIGNORS INTEREST 0046790821 pdf
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