Steven W Felman

This inventor holds 17 USPTO granted patents, plus 1 CIPO patent and 1 EPO patent. Top assignees: American Home Products Corporation, Bayer Corporation, Bayer Healthcare LLC. Active years: 1990-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Steven W Felman. Retrieved from https://idiyas.com/inventor/steven-w-felman

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

USPTO Granted Patents = 17

% Patents Active = 88.2

CIPO Patents = 1 (Patent Applications = 3)

EPO Patents = 1

Average Co-Inventor Count = 3.4

ph-index = 4

Forward Citations = 38(Granted Patents)

Location History:

Langhorne, PA (US) (1990 - 1995)
Granger, IN (US) (1994 - 2011)

Company Filing History:

9 out of 1,567

American Home Products Corporation

Haarmann & Reimer Gmbh

patents

5. 1 out of 1

Hoarmann & Reimer Corp.

patent

Years Active: 1990-2011

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17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7897331 - Process of using a tetrazolium salt (2011-03-01),

2. 7767822 - Water-soluble tetrazolium salts (2010-08-03),

3. 6955921 - Trypsin substrate and diagnostic device, and method of using same (2005-10-18),

4. 6770764 - Trypsin substrate and diagnostic device, and method of using same (2004-08-03),

5. 5827700 - Process for producing citric acid from an impure process stream (1998-10-27),

6. 5712131 - Recovery of organic acid from an impure process stream by addition of (1998-01-27),

7. 5449824 - Recovery of organic acid salts from impure process streams by addition (1995-09-12),

8. 5438056 - Heterocyclic oxime carbamates (1995-08-01),

9. 5389673 - 4- or 5-(substituted sulfonyl)methyl-3(2H)-furanones (1995-02-14),

10. 5389672 - 4- or 5-(substituted sulfonyl)methyl-3(2H)-furanones (1995-02-14),

11. 5389671 - 4- or 5-(substituted sulfonyl)methyl-3(2H)-furanones (1995-02-14),

12. 5352825 - Recovery of organic acid salts from impure process streams by addition (1994-10-04),

13. 5314913 - 4- or 5-(substituted sulfonyl)methyl-3(2H)-furanones (1994-05-24),

14. 5017601 - Anti-ulcer 5-(2-substituted ethenyl)-3(2H)-furanones (1991-05-21),

15. 5010102 - Anti-ulcer 5-(2-substituted ethenyl)-3(2H)-furanones (1991-04-23),

Title: The Innovations of Steven W. Felman

Introduction

Steven W. Felman is a notable inventor based in Granger, Indiana, with a remarkable portfolio of 17 patents. His work primarily focuses on the development of tetrazolium salts, which have significant applications in various scientific fields.

Latest Patents

Felman's latest patents include a process for using a tetrazolium salt, specifically thiazolyl tetrazolium salts that exhibit increased solubility in aqueous solutions. These salts are characterized by alkylammonium alkoxy substituents, preferably trimethyl ammonium propoxy groups, attached to phenyl rings linked to the tetrazolium ring. Additionally, he has developed water-soluble tetrazolium salts that share similar structural features, enhancing their utility in various applications.

Career Highlights

Throughout his career, Felman has made significant contributions to the field of chemistry and materials science. He has worked with prominent companies such as American Home Products Corporation and Bayer Corporation, where he applied his expertise to advance innovative solutions.

Collaborations

Felman has collaborated with notable professionals in his field, including Ivo L. Jirkovsky and Kevin Anthony Memoli, further enriching his work and expanding the impact of his inventions.

Conclusion

Steven W. Felman's contributions to the field of tetrazolium salts and his extensive patent portfolio highlight his innovative spirit and dedication to scientific advancement. His work continues to influence various industries and research areas.

Profile summary based on public USPTO records.