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Matthews, NC, United States of America

Cem Corporation

Calculating rank

USPTO Granted Patents = 157

% Expired Patents = 16.6

CIPO Patents = 18

EPO Patents = 34

Trademarks = 22

Forward Citations = 1,579

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56 inventors (with patents filed for the assignee):

Joseph Joshua Lambert (37 out of 37 patents)

Edward Earl King (32 out of 32 patents)

James Edward Thomas (28 out of 36 patents)

4. Wyatt Price Hargett, Jr (26 out of 26 patents)

5. William Edward Jennings (25 out of 25 patents)

6. Jonathan McKinnon Collins (22 out of 22 patents)

7. Michael John Collins (22 out of 22 patents)

8. Michael J Collins (20 out of 28 patents)

9. Michael J Collins, Sr (19 out of 19 patents)

10. Wyatt P Hargett (15 out of 16 patents)

11. David A Barclay (13 out of 13 patents)

12. David L Herman (11 out of 14 patents)

13. Timothy A Zawatsky (9 out of 9 patents)

14. Robert N Revesz (8 out of 8 patents)

15. Ian Goldstein (6 out of 6 patents)

Core Competencies:

Microwave-Assisted Synthesis

Solid Phase Peptide Synthesis

Analytical Sample Preparation

Pressure Vessel

Automated Protein Analyzer

Rapid Sample Preparation

Colorimetric Analysis

Controlled Pressure Release

High Temperature Digestion

Dispersive Extraction

NMR Measurements

Element Testing

157 patents: Sort by Forward Citations

1. 12752275 - Pressure-stepped chemical reactions and associated methods, systems, apparatuses, and articles (2026-10-06),

2. D1120369 - Cap for a reaction vessel or the like (2026-03-24),

3. D1028279 - Cap for a reaction vessel or the like (2024-05-21),

4. RE49961 - Solid phase peptide syntheses (2024-05-07),

5. 11351515 - Pressure-release vessel with rigid proportional liner and associated microwave-assisted chemistry methods (2022-06-07),

6. 11014959 - Solvent system for solid phase peptide synthesis (2021-05-25),

7. 10858390 - Use of excess carbodiimide for peptide synthesis at elevated temperatures (2020-12-08),

8. 10758880 - Acid digestion instrument and vessel system (2020-09-01),

9. 10695738 - High temperature pressure digestion vessel system with dual action seal (2020-06-30),

10. 10677696 - Rapid sample preparation for analytical analysis using dispersive energized extraction (2020-06-09),

11. 10527533 - Moisture and volatiles analyzer (2020-01-07),

12. 10527530 - Pressure stepped microwave assisted digestion (2020-01-07),

13. 10421775 - Control apparatus for dispensing small precise amounts of liquid reagents (2019-09-24),

14. 10330573 - Rapid sample preparation for analytical analysis using dispersive energized extraction (2019-06-25),

15. 10308677 - Coupling method for peptide synthesis at elevated temperatures (2019-06-04),

Company Overview

Cem Corporation, based in Matthews, NC, specializes in microwave-assisted chemistry, focusing on innovative solutions for various applications in the chemical and life sciences sectors. The company is known for its advancements in microwave-assisted synthesis, solid phase peptide synthesis, and analytical sample preparation technologies. Their products, including automated protein analyzers and pressure vessels, enhance rapid sample preparation and colorimetric analysis, facilitating efficient and controlled processes in laboratory environments.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 10 2026

157 Patents

#1 in Matthews, NC

#69 in North Carolina

#2,534 in US

#5,238 in the World

Matthews, NC, United States of America

Cem Corporation

Forward Citations = 1,579

56 inventors:

Joseph Joshua Lambert (37 out of 37 patents)

Edward Earl King (32 out of 32 patents)

James Edward Thomas (28 out of 36 patents)

4. Wyatt Price Hargett, Jr (26 out of 26 patents)

5. William Edward Jennings (25 out of 25 patents)

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

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]

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