Forward Citations = 322

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8 inventors (with patents filed for the assignee):

Fred J Pittard (3 out of 3 patents)

Jimmy D Fultz (3 out of 3 patents)

Albert E Roos, Jr (3 out of 3 patents)

4. William J McDonald (2 out of 24 patents)

5. Steven W Drews (2 out of 2 patents)

6. Frederick J Pittard, Jr (2 out of 2 patents)

7. Roger C Leaf (2 out of 2 patents)

8. William C Maurer (1 out of 17 patents)

7 patents: Sort by Forward Citations

1. 5396966 - Steering sub for flexible drilling (1995-03-14),

2. 5368109 - Apparatus for arcuate drilling (1994-11-29),

3. 5320179 - Steering sub for flexible drilling (1994-06-14),

4. 5090480 - Underreamer with simultaneously expandable cutter blades and method (1992-02-25),

5. 5060738 - Three-blade underreamer (1991-10-29),

6. 5036921 - Underreamer with sequentially expandable cutter blades (1991-08-06),

7. 4936397 - Earth drilling apparatus with control valve (1990-06-26),

Company Overview

Slimdril International, Inc. is a leading provider of drilling and engineering services for the oil and gas industry. With a strong reputation for quality and safety, Slimdril offers a wide range of services including directional drilling, wellbore optimization, and project management. Our experienced team of professionals is dedicated to delivering efficient and cost-effective solutions to our clients worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

7 Patents

#630 in Houston, TX

#2,551 in Texas

#39,879 in US

Houston, TX, United States of America

Slimdril International, Inc.

Forward Citations = 322

8 inventors:

Fred J Pittard (3 out of 3 patents)

Jimmy D Fultz (3 out of 3 patents)

Albert E Roos, Jr (3 out of 3 patents)

4. William J McDonald (2 out of 24 patents)

5. Steven W Drews (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Slimdril International, Inc.. Retrieved from https://idiyas.com/company/slimdril-international

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]