Trademarks = 1

Forward Citations = 236

Loading Chart...

7 inventors (with patents filed for the assignee):

Mark D Kalman (3 out of 23 patents)

John Robert Belcher (3 out of 5 patents)

Dana Fraser (2 out of 8 patents)

4. Bin Chen (1 out of 3 patents)

5. Ramon A Perez (1 out of 1 patent)

6. Cobie W Loper (1 out of 1 patent)

7. George W Peppel (1 out of 25 patents)

8 patents: Sort by Forward Citations

1. 6592153 - High temperature end fitting (2003-07-15),

2. 6446672 - Flexible pipe including vent passage and method of manufacturing same (2002-09-10),

3. 6386595 - Swivel joint and method for connecting conduits (2002-05-14),

4. 6363974 - Flexible pipe and method of manufacturing same (2002-04-02),

5. 6039083 - Vented, layered-wall deepwater conduit and method (2000-03-21),

6. 5860682 - Stress isolated seal for flexible flowline connector (1999-01-19),

7. 5730188 - Flexible conduit (1998-03-24),

8. 5639128 - Method of and apparatus for securing a multi-layered flexible flowline (1997-06-17),

Company Overview

Wellstream, Inc. is a leading provider of flexible pipeline products and solutions for the oil and gas industry. With a strong focus on innovation and quality, Wellstream offers a comprehensive range of offshore flexible risers, flowlines, and umbilicals to meet the demanding needs of the energy sector. The company's state-of-the-art manufacturing facilities and experienced team ensure reliable and efficient delivery of top-notch products and services to clients worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

8 Patents

#572 in Houston, TX

#2,279 in Texas

#35,924 in US

Houston, TX, United States of America

Wellstream, Inc.

Forward Citations = 236

7 inventors:

Mark D Kalman (3 out of 23 patents)

John Robert Belcher (3 out of 5 patents)

Dana Fraser (2 out of 8 patents)

4. Bin Chen (1 out of 3 patents)

5. Ramon A Perez (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Wellstream, Inc.. Retrieved from https://idiyas.com/company/wellstream

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]