For the Inventor, By the Inventor

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Lakeville, MN, United States of America

Despatch Industries Limited

USPTO Granted Patents = 18

% Expired Patents = 11.1

Forward Citations = 325

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15 inventors (with patents filed for the assignee):

Hans L Melgaard (16 out of 30 patents)

Louis A Larson (3 out of 5 patents)

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: Sort by Forward Citations

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),

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 based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

18 Patents

#2 in Lakeville, MN

#537 in Minnesota

#17,952 in US

#34,187 in the World

Lakeville, MN, United States of America

Despatch Industries Limited

Forward Citations = 325

15 inventors:

Hans L Melgaard (16 out of 30 patents)

Louis A Larson (3 out of 5 patents)

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)

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