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For the Inventor, By the Inventor

Hertfordshire, United Kingdom

Smiths Detection-Watford Limited


USPTO Granted Patents = 78

% Expired Patents = 29.5



Trademarks = 7

Forward Citations = 132

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57 inventors (with patents filed for the assignee):

goldMedal Jonathan R Atkinson (28 out of 30 patents)

silverMedal Stephen John Taylor (26 out of 34 patents)

bronzeMedal Alastair Clark (24 out of 28 patents)

4.  William Angus Munro (12 out of 12 patents)

5.  John Fitzgerald (8 out of 12 patents)

6.  Robert Brian Turner (8 out of 11 patents)

7.  Bruce Grant (7 out of 8 patents)

8.  Paul Douglas Arnold (5 out of 6 patents)

9.  David Sharp (4 out of 20 patents)

10.  Paul Grant Wynn (4 out of 4 patents)

11.  Matthew Easton (3 out of 4 patents)

12.  David Cutmore (3 out of 3 patents)

13.  Rod Wilson (3 out of 3 patents)

14.  Alexander Parker (3 out of 5 patents)

15.  Henry McIntyre (3 out of 3 patents)


Core Competencies:
Ion Mobility Spectrometer
Chemical Ionization
Aerosol Detection
Gaseous Fluid Sampling
Ion Modification
Vapor Generator
Detection Apparatus
Sample Collection
Ion Separation
Portable Detection System
Particle Detection
Calibration Process

78 patents:

1. 12504398 - Air purification system for an ion mobility spectrometer, corresponding method of operation and ion mobility spectrometer (2025-12-23),
2. 12205023 - System and method for inspecting items (2025-01-21),
3. 11994491 - Method and apparatus for identifying substances using ion mobility based ion separation techniques (2024-05-28),
4. 11774421 - Detector inlet and sampling method (2023-10-03),
5. 11630080 - Synchronized ion modification (2023-04-18),
6. 11585735 - Detector with detector inlet for sampling gaseous fluid (2023-02-21),
7. 11557471 - Method and portable ion mobility spectrometer for the detection of an aerosol (2023-01-17),
8. 11187629 - Sample probe inlet flow system (2021-11-30),
9. 11150228 - Detector inlet and sampling method (2021-10-19),
10. 11067484 - Apparatus and method for gaseous fluid sampling (2021-07-20),
11. 11004667 - Method and portable ion mobility spectrometer for the detection of an aerosol (2021-05-11),
12. 10942148 - Apparatus and method employing ion shutters for ion separation (2021-03-09),
13. 10910207 - Ion modification (2021-02-02),
14. 10801991 - Synchronized ion modification (2020-10-13),
15. 10775283 - On-demand vapor generator (2020-09-15),
Company Overview
Smiths Detection-Watford Limited, based in Hertfordshire, specializes in advanced detection technologies, particularly in the field of Ion Mobility Spectrometry. The company focuses on developing and manufacturing sophisticated systems for chemical detection, including ion mobility spectrometers and aerosol detection devices. Their expertise encompasses various applications such as gaseous fluid sampling, ion modification, and vapor generation, contributing significantly to safety and security in diverse environments.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

Smiths Detection-Watford Limited USPTO Patent Assignee Logo
78 Patents

#2 in Hertfordshire

#238 in United Kingdom

#9,673 in the World

Hertfordshire, GB
Hertfordshire, United Kingdom

Smiths Detection-Watford Limited

Forward Citations = 132

57 inventors:

goldMedal Jonathan R Atkinson (28 out of 30 patents)

silverMedal Stephen John Taylor (26 out of 34 patents)

bronzeMedal Alastair Clark (24 out of 28 patents)

4.  William Angus Munro (12 out of 12 patents)

5.  John Fitzgerald (8 out of 12 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Smiths Detection-Watford Limited. Retrieved from https://idiyas.com/company/smiths-detection-watford

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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