Thomas G Shumate

This inventor holds 3 USPTO granted patents. Top assignees: Baroid Technology, Inc., Dresser Industries, Inc., Halliburton Energy Services, Inc.. Active years: 1991-2003.

USPTO Granted Patents = 3

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 3

Forward Citations = 39(Granted Patents)

Company Filing History:

1 out of 90

Baroid Technology, Inc.

patents

1 out of 1,238

Dresser Industries, Inc.

patents

1 out of 12,196

Halliburton Energy Services, Inc.

patents

Years Active: 1991-2003

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3 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6548452 - Weight material for drilling fluids and method of creating and maintaining the desired weight (2003-04-15),

2. 6180573 - Weight material for drilling fluids and method of creating and maintaining the desired weight (2001-01-30),

3. 5021170 - Oil-based well bore fluids and gellants therefor (1991-06-04),

Profile summary based on public USPTO records.

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