Trademarks = 3

Forward Citations = 127

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11 inventors (with patents filed for the assignee):

John Machonis, Jr (3 out of 21 patents)

Mitsuzo Shida (3 out of 40 patents)

Seymour Schmukler (2 out of 16 patents)

4. Thomas J Pullukat (1 out of 36 patents)

5. Raymond E Hoff (1 out of 29 patents)

6. William Kirch (1 out of 11 patents)

7. Robert J Zeitlin (1 out of 8 patents)

8. Robert A Dombro (1 out of 11 patents)

9. Sidney F Bosen (1 out of 2 patents)

10. Bruce D Perlson (1 out of 1 patent)

11. Laurence E Dowd (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 4675471 - Electrical cables (1987-06-23),

2. 4632801 - Blown film extrusion (1986-12-30),

3. 4600746 - Polyvinyl alcohol alloys and method of making the same (1986-07-15),

4. 4590246 - Method of polymerizing olefins (1986-05-20),

5. 4578440 - Polymerization catalyst and method (1986-03-25),

6. 4575532 - Polyvinyl alcohol alloys and method of making the same (1986-03-11),

7. 4545925 - Corrosion inhibited freeze protected heat transfer fluid (1985-10-08),

Company Overview

Norchem, Inc. is a leading provider of water treatment chemicals and equipment. With over 30 years of experience, Norchem offers innovative solutions for industries such as chemical processing, food and beverage, and pharmaceuticals. Their products help customers improve efficiency, reduce costs, and meet environmental regulations. Norchem is committed to providing high-quality products and exceptional customer service.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

7 Patents

#44 in Omaha, NE

#105 in Nebraska

#39,929 in US

Omaha, NE, United States of America

Norchem, Inc.

Forward Citations = 127

11 inventors:

John Machonis, Jr (3 out of 21 patents)

Mitsuzo Shida (3 out of 40 patents)

Seymour Schmukler (2 out of 16 patents)

4. Thomas J Pullukat (1 out of 36 patents)

5. Raymond E Hoff (1 out of 29 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Norchem, Inc.. Retrieved from https://idiyas.com/company/norchem

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]