San Francisco, CA, United States of America

Bio-Plas, Inc.

Calculating rank

USPTO Granted Patents = 13

Trademarks = 5

Forward Citations = 696

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4 inventors (with patents filed for the assignee):

Donald H DeVaughn (7 out of 10 patents)

Donald H De Vaughn (6 out of 7 patents)

James C Smith (2 out of 39 patents)

4. Wolfgang Ott (1 out of 27 patents)

13 patents: Sort by Forward Citations

1. 6245559 - Handle for inoculating loop (2001-06-12),

2. 5843112 - Self-contained blood withdrawal apparatus and method (1998-12-01),

3. 5770160 - Positive displacement liquid drawing and dispensing apparatus (1998-06-23),

4. 5662127 - Self-contained blood withdrawal apparatus and method (1997-09-02),

5. 5580529 - Aerosol and liquid transfer resistant pipette tip apparatus (1996-12-03),

6. 5330899 - Calibrated inoculation assembly and method of preserving sterility (1994-07-19),

7. 5260030 - Calibrated pipette tip and method (1993-11-09),

8. D289379 - Closure cap (1987-04-21),

9. 4542833 - Stretchable cap for sealing and/or resealing blood drawing tubes and the (1985-09-24),

10. D274652 - Pipette tip (1984-07-10),

11. D274651 - Pipette tip (1984-07-10),

12. D256052 - Pipette tip (1980-07-22),

13. D255601 - Pipette tip (1980-06-24),

Company Overview

Bio-Plas, Inc. is a biotechnology company based in San Francisco, California, specializing in the development and manufacturing of advanced biomaterials and medical devices. The organization focuses on innovative solutions for healthcare applications, particularly in regenerative medicine and tissue engineering. With a commitment to enhancing patient outcomes, Bio-Plas leverages cutting-edge research and technology to create products that address critical needs in the medical field, contributing to the advancement of healthcare solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

13 Patents

#355 in San Francisco, CA

#5,664 in California

#23,860 in US

#45,085 in the World

San Francisco, CA, United States of America

Bio-Plas, Inc.

Forward Citations = 696

4 inventors:

Donald H DeVaughn (7 out of 10 patents)

Donald H De Vaughn (6 out of 7 patents)

James C Smith (2 out of 39 patents)

4. Wolfgang Ott (1 out of 27 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Bio-Plas, Inc.. Retrieved from https://idiyas.com/company/bio-plas

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]