For the Inventor, By the Inventor

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Tucson, AZ, United States of America

Protein Technologies, Inc.

USPTO Granted Patents = 12

% Expired Patents = 8.3

EPO Patents = 1

Trademarks = 5

Forward Citations = 130

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21 inventors (with patents filed for the assignee):

Milan Bier (5 out of 14 patents)

Glen Ward (4 out of 22 patents)

Leon E Barstow (4 out of 4 patents)

4. Terry D Long (3 out of 8 patents)

5. Anthony R Ford (3 out of 7 patents)

6. Rodolfo Bacheleir Marquez (2 out of 2 patents)

7. Scott Harlow (2 out of 2 patents)

8. Anthony Zarrella (2 out of 2 patents)

9. Mahendra S Menakuru (1 out of 1 patent)

10. Robert William Hensley (1 out of 1 patent)

11. Joseph B E Blais (1 out of 1 patent)

12. Oliver Johannes Kreuzer (1 out of 1 patent)

13. Carsten Hessenius (1 out of 3 patents)

14. Carsten Grotzinger (1 out of 1 patent)

15. Volker Johannson (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. 12601679 - On-line monitoring of synthesis reactions (2026-04-14),

2. 12399112 - On-line monitoring of synthesis reactions (2025-08-26),

3. 8535947 - On-line monitoring of deprotection reaction in peptide automated synthesizer comprising UV detector (2013-09-17),

4. 7678335 - Device for simultaneous multiple and high parallel synthesis (2010-03-16),

5. 5980839 - Apparatus and process for conducting combinational chemical syntheses (1999-11-09),

6. 5540826 - Multi-channel separation device (1996-07-30),

7. 5447612 - Buffering system and its use in electrophoretic processes (1995-09-05),

8. 5241048 - Organic syntheses employing supercritical carbon dioxide as a reaction (1993-08-31),

9. 5203368 - Matrix of valves (1993-04-20),

10. 5064940 - Premixed dry reagent containing a protected amino acid and an activating (1991-11-12),

11. 5001224 - Organic syntheses employing supercritical carbon dioxide as a reaction (1991-03-19),

12. 4834974 - Immunologically active whey fraction and recovery process (1989-05-30),

Protein Technologies, Inc. is a leading biotechnology company specializing in the development and manufacturing of innovative protein analysis and purification technologies. With a focus on providing high-quality products and services to researchers and scientists worldwide, Protein Technologies is dedicated to advancing the field of protein research.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

12 Patents

#56 in Tucson, AZ

#315 in Arizona

#25,494 in US

#48,027 in the World

Tucson, AZ, United States of America

Protein Technologies, Inc.

Forward Citations = 130

21 inventors:

Milan Bier (5 out of 14 patents)

Glen Ward (4 out of 22 patents)

Leon E Barstow (4 out of 4 patents)

4. Terry D Long (3 out of 8 patents)

5. Anthony R Ford (3 out of 7 patents)

Please report any incorrect information to [email protected]

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