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San Antonio, TX, United States of America

Rudy B Callihan

USPTO Granted Patents = 8

Average Co-Inventor Count = 2.6

ph-index = 8

Forward Citations = 473(Granted Patents)

Location History:

Houston, TX (US) (1976)
San Antonio, TX (US) (1978 - 1984)

Company Filing History:

Baker Oil Tools, Inc.

Baker International Inc.

Years Active: 1976-1984

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4479544 - Pressure actuated pack-off and method (1984-10-30),

2. 4450912 - Method and apparatus for well cementing through a tubular member (1984-05-29),

3. 4442894 - Unitary float valve and wiping plug retainer (1984-04-17),

4. 4436151 - Apparatus for well cementing through a tubular member (1984-03-13),

5. 4413682 - Method and apparatus for installing a cementing float shoe on the bottom (1983-11-08),

6. 4393931 - Combination hydraulically set hanger assembly with expansion joint (1983-07-19),

7. 4088186 - Centering device for well conduit (1978-05-09),

8. 3987854 - Gravel packing apparatus and method (1976-10-26),

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