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For the Inventor, By the Inventor

Matthews, NC, United States of America

Cem Corporation


USPTO Granted Patents = 156

% Expired Patents = 16.7



Trademarks = 22

Forward Citations = 1,568

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56 inventors (with patents filed for the assignee):

goldMedal Joseph Joshua Lambert (37 out of 37 patents)

silverMedal Edward Earl King (32 out of 32 patents)

bronzeMedal James Edward Thomas (28 out of 36 patents)

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

5.  William Edward Jennings (24 out of 24 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 (8 out of 8 patents)

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

15.  Edwin D Neas (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

156 patents:

1. D1120369 - Cap for a reaction vessel or the like (2026-03-24),
2. D1028279 - Cap for a reaction vessel or the like (2024-05-21),
3. RE49961 - Solid phase peptide syntheses (2024-05-07),
4. 11351515 - Pressure-release vessel with rigid proportional liner and associated microwave-assisted chemistry methods (2022-06-07),
5. 11014959 - Solvent system for solid phase peptide synthesis (2021-05-25),
6. 10858390 - Use of excess carbodiimide for peptide synthesis at elevated temperatures (2020-12-08),
7. 10758880 - Acid digestion instrument and vessel system (2020-09-01),
8. 10695738 - High temperature pressure digestion vessel system with dual action seal (2020-06-30),
9. 10677696 - Rapid sample preparation for analytical analysis using dispersive energized extraction (2020-06-09),
10. 10527533 - Moisture and volatiles analyzer (2020-01-07),
11. 10527530 - Pressure stepped microwave assisted digestion (2020-01-07),
12. 10421775 - Control apparatus for dispensing small precise amounts of liquid reagents (2019-09-24),
13. 10330573 - Rapid sample preparation for analytical analysis using dispersive energized extraction (2019-06-25),
14. 10308677 - Coupling method for peptide synthesis at elevated temperatures (2019-06-04),
15. 10295447 - Rapid energized dispersive solid phase extraction (SPE) for analytical analysis (2019-05-21),
CEM Corporation is a leading provider of scientific instruments and solutions that redefine the way organic and inorganic samples are prepared and analyzed. With their cutting-edge microwave and automated systems, CEM enables customers in various industries to improve productivity, increase accuracy, and reduce costs in their laboratory workflows. CEM's innovative technologies are widely used in fields such as pharmaceuticals, chemical analysis, food and agriculture, and environmental testing.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 22 2026

Cem Corporation
156 Patents

#1 in Matthews, NC

#70 in North Carolina

#2,535 in US

#5,243 in the World

Matthews, NC (US)
Matthews, NC, United States of America

Cem Corporation

Forward Citations = 1,568

56 inventors:

goldMedal Joseph Joshua Lambert (37 out of 37 patents)

silverMedal Edward Earl King (32 out of 32 patents)

bronzeMedal James Edward Thomas (28 out of 36 patents)

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

5.  William Edward Jennings (24 out of 24 patents)

Please report any incorrect information to [email protected]
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