Forward Citations = 54

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5 inventors (with patents filed for the assignee):

Lloyd E Jacobs (4 out of 8 patents)

David E Turriff (4 out of 8 patents)

Nils K Melberg (2 out of 4 patents)

4. JoAnn L Johnson (1 out of 1 patent)

5. Christopher A Reitmeyer (1 out of 3 patents)

4 patents: Sort by Forward Citations

1. 5522271 - Tool and method for soil sampling (1996-06-04),

2. 5517868 - Method for obtaining a soil sample (1996-05-21),

3. 5505098 - Soil sample containment cartridge with detachable handle (1996-04-09),

4. 5343771 - Tool for sampling soil containing volatile organic compound (1994-09-06),

Company Overview

En Chem, Inc. is a leading chemical manufacturing company specializing in the development and production of high-quality chemical products for various industries. With decades of experience in the industry, En Chem, Inc. is known for its innovative solutions and exceptional customer service.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#37 in Green Bay, WI

#1,259 in Wisconsin

#60,671 in US

Green Bay, WI, United States of America

En Chem, Inc.

Forward Citations = 54

5 inventors:

Lloyd E Jacobs (4 out of 8 patents)

David E Turriff (4 out of 8 patents)

Nils K Melberg (2 out of 4 patents)

4. JoAnn L Johnson (1 out of 1 patent)

5. Christopher A Reitmeyer (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: En Chem, Inc.. Retrieved from https://idiyas.com/company/en-chem

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]