Trademarks = 2

Forward Citations = 85

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5 inventors (with patents filed for the assignee):

Louis R Castaneda (4 out of 4 patents)

Walter W Powell (3 out of 16 patents)

Milton N Anderson, Jr (2 out of 2 patents)

4. Charles F Sprague (2 out of 2 patents)

5. Aciel Martin (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 5992449 - Pilot operated safety relief valve adapted for low fluid pressures (1999-11-30),

2. 5931188 - Diaphragm operated regulator valve for maintaining low gas pressure (1999-08-03),

3. 5555910 - Pressure relief valves adapted for low pressure operation (1996-09-17),

4. 5499648 - Sealing means for pressure relief valves and methods of assembly (1996-03-19),

5. 5421360 - Float assisted automatic driptrap (1995-06-06),

6. 5238021 - Diaphragm operated spring loaded regulator (1993-08-24),

Company Overview

Groth Corporation is a leading provider of pressure relief products and services. With over 70 years of experience, we offer a wide range of pressure relief valves, rupture discs, and other safety devices to industries such as oil and gas, petrochemical, and pharmaceutical. Our mission is to protect lives and equipment by providing reliable and innovative solutions for managing pressure and flow in critical processes.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#726 in Houston, TX

#2,905 in Texas

#44,981 in US

Houston, TX, United States of America

Groth Corporation

Forward Citations = 85

5 inventors:

Louis R Castaneda (4 out of 4 patents)

Walter W Powell (3 out of 16 patents)

Milton N Anderson, Jr (2 out of 2 patents)

4. Charles F Sprague (2 out of 2 patents)

5. Aciel Martin (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Groth Corporation. Retrieved from https://idiyas.com/company/groth

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]