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For the Inventor, By the Inventor

Lomira, WI, United States of America

Kondex Corporation


USPTO Granted Patents = 26

% Expired Patents = 7.7



Trademarks = 18

Forward Citations = 141

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16 inventors (with patents filed for the assignee):

goldMedal Keith A Johnson (21 out of 52 patents)

silverMedal Neal J Stoffel (17 out of 18 patents)

bronzeMedal Andrew J Theisen (7 out of 7 patents)

4.  Casey Placek (5 out of 5 patents)

5.  Mark More (4 out of 4 patents)

6.  Joseph W Schaffer, Sr (3 out of 3 patents)

7.  Francois R Talbot (2 out of 54 patents)

8.  Juan G Sotelo (2 out of 2 patents)

9.  Daniel G Cormier (2 out of 11 patents)

10.  Tina Giese (2 out of 2 patents)

11.  James Wessing (2 out of 2 patents)

12.  Michael A Bechler (1 out of 1 patent)

13.  Benjamin A Braunberger (1 out of 11 patents)

14.  Heather Baez (1 out of 1 patent)

15.  Scott W Moon (1 out of 1 patent)


Core Competencies:
Concave
Boring Bit
Wear Resistance
HDD Drill
Laser Cladding
Cutting Blade
Agricultural Blades
Multi-Thresh Concave
Sickle Bar
Auger
Crop Conveying
Drive Roller

26 patents:

1. 12376527 - Concave with adjustable openings (2025-08-05),
2. 12146369 - Boring bit or other bit with hard face wear resistance material (2024-11-19),
3. 12016270 - Concave with adjustable openings (2024-06-25),
4. 11987889 - Boring bit component with hard face wear resistance material with subsequent heat treatment (2024-05-21),
5. 11808088 - Enhanced drill bit profile for use in HDD (2023-11-07),
6. 11525313 - Wear enhancement of HDD drill string components (2022-12-13),
7. 11510362 - Channel knifeback (2022-11-29),
8. 11497171 - Concave with adjustable openings (2022-11-15),
9. 10648051 - Reciprocating cutting blade with cladding (2020-05-12),
10. 10462963 - Laser clad cutting edge for agricultural cutting components (2019-11-05),
11. 10412895 - Multi-thresh concave section for rotary combine (2019-09-17),
12. 10206331 - Cutting blade with hardened regions (2019-02-19),
13. 9992930 - Slicing disc mower knives (2018-06-12),
14. 9717176 - Agricultural blades and machine parts with amorphous metal laser cladding (2017-08-01),
15. 9686911 - Cutting blade with transverse hardened regions (2017-06-27),
Kondex Corporation, based in Lomira, Wisconsin, specializes in the development and manufacturing of advanced wear parts and components for agricultural and industrial applications. The company focuses on enhancing product performance through innovative engineering and material science, catering to a diverse range of industries. With a commitment to quality and precision, Kondex leverages its expertise to deliver solutions that improve efficiency and durability in demanding environments.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

26 Patents

#1 in Lomira, WI

#306 in Wisconsin

#12,843 in US

#24,758 in the World

Lomira, WI (US)
Lomira, WI, United States of America

Kondex Corporation

Forward Citations = 141

16 inventors:

goldMedal Keith A Johnson (21 out of 52 patents)

silverMedal Neal J Stoffel (17 out of 18 patents)

bronzeMedal Andrew J Theisen (7 out of 7 patents)

4.  Casey Placek (5 out of 5 patents)

5.  Mark More (4 out of 4 patents)

Please report any incorrect information to [email protected]
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