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For the Inventor, By the Inventor

Lakeville, MN, United States of America

Despatch Industries Limited

Calculating rank
USPTO Granted Patents = 18

% Expired Patents = 11.1

Forward Citations = 326

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15 inventors (with patents filed for the assignee):

goldMedal Hans L Melgaard (16 out of 30 patents)

silverMedal Louis A Larson (3 out of 5 patents)

bronzeMedal Wendell L Schafer (2 out of 2 patents)

4.  Jeffrey A Bell (1 out of 1 patent)

5.  Paul J Haas (1 out of 1 patent)

6.  Michael James Franklin (1 out of 14 patents)

7.  Joseph Stitz (1 out of 1 patent)

8.  Brian E Hajder (1 out of 1 patent)

9.  Phillip G Jordon (1 out of 1 patent)

10.  Eric W Nelson (1 out of 2 patents)

11.  David E Johnson (1 out of 1 patent)

12.  Terrance E Polsfuss (1 out of 1 patent)

13.  Richard H Welch, Jr (1 out of 1 patent)

14.  Gary M Mercier (1 out of 1 patent)

15.  Gary H Mercier (1 out of 1 patent)


18 patents:

1. 8007276 - Fiber treatment oven with adjustable gates (2011-08-30),
2. 6552560 - Wafer-level burn-in oven (2003-04-22),
3. 6455815 - Magnetic annealing oven and method (2002-09-24),
4. 6048493 - Sterilizable passageway (2000-04-11),
5. 5516489 - Apparatus for testing peroxide concentrations in sterilants (1996-05-14),
6. 5436569 - Electronic component testing oven (1995-07-25),
7. 5431491 - Insertion and ejection apparatus for environmental test chambers (1995-07-11),
8. 5263265 - Convection/radiation material treatment oven (1993-11-23),
9. 4988288 - Material heating oven (1991-01-29),
10. 4846669 - Continuous material heating oven (1989-07-11),
11. 4821866 - Conveyor for a clean room (1989-04-18),
12. 4729246 - Product testing system (1988-03-08),
13. 4515561 - Fiber treatment oven (1985-05-07),
14. 4361744 - Microwave process unit (1982-11-30),
15. 4322964 - Gas analyzer calibration apparatus (1982-04-06),
Company Overview
Despatch Industries Limited, based in Lakeville, MN, specializes in advanced thermal processing solutions. The company focuses on the development and manufacture of industrial ovens and furnaces, catering to various sectors including electronics, aerospace, and automotive industries. With a commitment to innovation, Despatch integrates cutting-edge technology into its products to enhance efficiency and performance in thermal applications. The organization is recognized for its expertise in providing customized solutions that meet the specific needs of its clients.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

18 Patents

#2 in Lakeville, MN

#537 in Minnesota

#17,980 in US

#34,263 in the World

Lakeville, MN (US)
Lakeville, MN, United States of America

Despatch Industries Limited

Forward Citations = 326

15 inventors:

goldMedal Hans L Melgaard (16 out of 30 patents)

silverMedal Louis A Larson (3 out of 5 patents)

bronzeMedal Wendell L Schafer (2 out of 2 patents)

4.  Jeffrey A Bell (1 out of 1 patent)

5.  Paul J Haas (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Despatch Industries Limited. Retrieved from https://idiyas.com/company/despatch-industries

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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