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For the Inventor, By the Inventor

Milford, MA, United States of America

Waters Associates, Inc.


USPTO Granted Patents = 25

Trademarks = 2

Forward Citations = 429

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24 inventors (with patents filed for the assignee):

goldMedal Louis Abrahams (8 out of 17 patents)

silverMedal David R Friswell (4 out of 16 patents)

bronzeMedal William W Carson (4 out of 34 patents)

4.  Burleigh M Hutchins (3 out of 15 patents)

5.  James L Waters (2 out of 7 patents)

6.  Norman F Rolfe (2 out of 17 patents)

7.  Patrick D McDonald (2 out of 10 patents)

8.  Kenneth E Nelson (2 out of 11 patents)

9.  Burleigh M Hutchins, Jr (2 out of 2 patents)

10.  Carl W Rausch (2 out of 2 patents)

11.  Brian J Edmonds (1 out of 3 patents)

12.  William J Waters (1 out of 3 patents)

13.  George W Leissler (1 out of 1 patent)

14.  John S Roe (1 out of 3 patents)

15.  William G Haney (1 out of 1 patent)


Core Competencies:
Chill Plate
Heat Exchanger
Optical Modulator
Chromatographic Cartridge
Sample Injection
Pneumatic Valve
Ion-Pairing Chromatography
Flow Cell
Compression
Photometric System
Valve Apparatus
Pump Control

25 patents:

1. 5014768 - Chill plate having high heat conductivity and wear resistance (1991-05-14),
2. 4333977 - Wear-resistant article (1982-06-08),
3. 4289975 - Dissipating electrical charge (1981-09-15),
4. 4286873 - Refractometer cell with integral lens (1981-09-01),
5. 4284352 - Heat exchanger for refractometer (1981-08-18),
6. 4283140 - Spatially homogenizing optical modulator (1981-08-11),
7. 4281687 - Fluid storage device (1981-08-04),
8. 4276475 - Novel photometric system (1981-06-30),
9. 4265536 - Electrical zeroing of light beam (1981-05-05),
10. 4250035 - Radial compression of packed beds (1981-02-10),
11. 4245963 - Pump (1981-01-20),
12. 4228007 - Chromatographic cartridge and holder (1980-10-14),
13. 4211658 - Triaxially compressed packed beds (1980-07-08),
14. 4153076 - Pneumatic valve apparatus (1979-05-08),
15. 4094641 - Low loss sample bottle assembly (1978-06-13),
Company Overview
Waters Associates, Inc. is a leading company specializing in analytical instruments and software for laboratory applications. Based in Milford, Massachusetts, the organization focuses on providing innovative solutions in the fields of chemistry and biochemistry, particularly for industries such as pharmaceuticals, environmental testing, and food safety. Waters is renowned for its expertise in liquid chromatography, mass spectrometry, and related technologies, enabling researchers and scientists to achieve precise and reliable results in their analytical endeavors.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

25 Patents

#5 in Milford, MA

#804 in Massachusetts

#13,370 in US

#25,730 in the World

Milford, MA (US)
Milford, MA, United States of America

Waters Associates, Inc.

Forward Citations = 429

24 inventors:

goldMedal Louis Abrahams (8 out of 17 patents)

silverMedal David R Friswell (4 out of 16 patents)

bronzeMedal William W Carson (4 out of 34 patents)

4.  Burleigh M Hutchins (3 out of 15 patents)

5.  James L Waters (2 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Waters Associates, Inc.. Retrieved from https://idiyas.com/company/waters-associates

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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