Enter assignee name

EPO Patents = 2

Trademarks = 6

Forward Citations = 605

Loading Chart...

8 inventors (with patents filed for the assignee):

Lennart L Carlson (7 out of 8 patents)

Eric D Carlson (4 out of 56 patents)

Douglas I Hoiberg (3 out of 3 patents)

4. Tamsen Hughes (2 out of 2 patents)

5. Robert Manson (2 out of 2 patents)

6. Daniel Chronister (2 out of 2 patents)

7. Craig Brittain (2 out of 2 patents)

8. William L Steward (1 out of 2 patents)

12 patents: Sort by Forward Citations

1. 12076909 - Helically wound tubing with exposed conductors (2024-09-03),

2. 9982810 - Helically wound plastic tubing with variable profile thickness and methods of making the same (2018-05-29),

3. 9625066 - Helically wound plastic tubing with variable profile thickness and methods of making the same (2017-04-18),

4. 9322501 - Flexible tubing with embedded helical conductors and method of making (2016-04-26),

5. 6190480 - Method of making a double-walled flexible tubing product with helical support bead and heating conductor (2001-02-20),

6. 5848223 - Double-walled flexible tubing product with helical support bead and (1998-12-08),

7. 5637168 - Apparatus and method for making flexible tubing with helically wound (1997-06-10),

8. 5454061 - Apparatus and method for making flexible tubing with helically wound (1995-09-26),

9. 4375381 - Two piece extruded hose (1983-03-01),

10. 4337800 - Two piece extruded hose (1982-07-06),

11. 3966525 - Method of making helically wound plastic tubing (1976-06-29),

12. 3963856 - Flexible, corrugated, plastic tubing having conductive helical bead (1976-06-15),

Steward Plastics, Inc. is a leading manufacturer of high-quality plastic packaging solutions for various industries. With over 20 years of experience, we specialize in custom packaging design, blow molding, and injection molding. Our state-of-the-art facility and dedicated team ensure top-notch quality and timely delivery for all our clients.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

12 Patents

#9 in Laguna Hills, CA

#5,885 in California

#24,831 in US

#46,738 in the World

Laguna Hills, CA, United States of America

Steward Plastics, Inc.