Forward Citations = 521

Loading Chart...

4 inventors (with patents filed for the assignee):

Wayne O Duescher (12 out of 44 patents)

Cameron M Duescher (3 out of 8 patents)

Gary A Staus (1 out of 1 patent)

4. Mark J Luedtke (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. 12667935 - Abrasive vitrified agglomerate disc with porous islands (2026-06-30),

2. 12667934 - Abrasive disc with vitrified agglomerate islands (2026-06-30),

3. 11691241 - Abrasive lapping head with floating and rigid workpiece carrier (2023-07-04),

4. 6769969 - Raised island abrasive, method of use and lapping apparatus (2004-08-03),

5. 6607157 - Air bearing system with an air cylinder web dancer system or idler rolls (2003-08-19),

6. 6149506 - Lapping apparatus and method for high speed lapping with a rotatable (2000-11-21),

7. 6120352 - Lapping apparatus and lapping method using abrasive sheets (2000-09-19),

8. 6102777 - Lapping apparatus and method for high speed lapping with a rotatable (2000-08-15),

9. 6048254 - Lapping apparatus and process with annular abrasive area (2000-04-11),

10. 5993298 - Lapping apparatus and process with controlled liquid flow across the (1999-11-30),

11. 5967882 - Lapping apparatus and process with two opposed lapping platens (1999-10-19),

12. 5910041 - Lapping apparatus and process with raised edge on platen (1999-06-08),

Company Overview

Keltech Engineering, Inc. is a specialized engineering firm based in Saint Paul, Minnesota, focusing on advanced thermal management solutions. The company develops innovative products and systems designed to enhance the efficiency and performance of various industrial applications. With a strong emphasis on research and development, Keltech is dedicated to providing cutting-edge technology in the fields of heat transfer and energy conservation, catering to diverse sectors including manufacturing and energy production.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

12 Patents

#89 in Saint Paul, MN

#735 in Minnesota

#25,557 in US

#48,163 in the World

Saint Paul, MN, United States of America

Keltech Engineering, Inc.

Forward Citations = 521

4 inventors:

Wayne O Duescher (12 out of 44 patents)

Cameron M Duescher (3 out of 8 patents)

Gary A Staus (1 out of 1 patent)

4. Mark J Luedtke (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Keltech Engineering, Inc.. Retrieved from https://idiyas.com/company/keltech-engineering

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]