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For the Inventor, By the Inventor

Sabetha, KS, United States of America

Wenger Manufacturing Inc.


USPTO Granted Patents = 125

% Expired Patents = 28.8


Trademarks = 3

Forward Citations = 1,573

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48 inventors (with patents filed for the assignee):

goldMedal Marc L Wenger (31 out of 31 patents)

silverMedal LaVon Wenger (28 out of 29 patents)

bronzeMedal Gordon R Huber (22 out of 26 patents)

4.  Bobbie W Hauck (21 out of 22 patents)

5.  Galen J Rokey (20 out of 21 patents)

6.  Philip B Wiltz (14 out of 14 patents)

7.  Lavon G Wenger (13 out of 13 patents)

8.  Allan C Spellmeier (12 out of 12 patents)

9.  Douglas S Clark (10 out of 10 patents)

10.  Brian D Streit (9 out of 9 patents)

11.  Scott Eugene VanDalsem (9 out of 9 patents)

12.  Dennis Howard Baumgartner (9 out of 9 patents)

13.  Brian S Plattner (9 out of 9 patents)

14.  Timothy R Hartter (9 out of 9 patents)

15.  Bradley S Strahm (7 out of 11 patents)


Core Competencies:
Extrusion Systems
High Meat Content
Dual Die Assembly
Preconditioner
Cooking Extruders
High Efficiency Conveyors
Static Mixer Injector
Product Drying
Mechanical Energy Inputs
Engineered Food Ingredients
Non-Sticky Starch Products
Steam Injection

125 patents:

1. 12414579 - Food processing system including extruder with hollow core screw assembly (2025-09-16),
2. 12256760 - Method and apparatus for production of high meat content pet foods (2025-03-25),
3. 11254041 - High specific mechanical energy extrusion screw assembly (2022-02-22),
4. 11241026 - Food processing system including extruder with hollow core screw assembly (2022-02-08),
5. 11039629 - High thermal transfer hollow core extrusion screw assembly (2021-06-22),
6. 10893688 - High thermal transfer hollow core extrusion screw assembly (2021-01-19),
7. 10736340 - Dual extrusion method and apparatus for pet food production using meat slurries (2020-08-11),
8. 10624382 - High specific mechanical energy extrusion screw assembly (2020-04-21),
9. 10624369 - Meat dewatering assembly (2020-04-21),
10. 10555547 - Meat dewatering assembly (2020-02-11),
11. 10434483 - High thermal transfer hollow core extrusion screw assembly (2019-10-08),
12. 10149484 - Apparatus and method for processing of high meat content food or feed products (2018-12-11),
13. 10092013 - Method for processing of high meat content food or feed products (2018-10-09),
14. 10039308 - High capacity dual die assembly (2018-08-07),
15. 10028516 - Apparatus and method for processing of high meat content food or feed products (2018-07-24),
Wenger Manufacturing Inc., based in Sabetha, Kansas, specializes in advanced food processing technology, focusing on the development and manufacture of innovative extrusion systems. The company is recognized for its expertise in high meat content processing, dual die assembly, and efficient cooking extruders. Wenger's product offerings also include preconditioners, high-efficiency conveyors, static mixer injectors, and drying systems, catering to the evolving needs of the food industry and enhancing production efficiency.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Wenger Manufacturing Inc.
125 Patents

#1 in Sabetha, KS

#24 in Kansas

#3,096 in US

#6,397 in the World

Sabetha, KS (US)
Sabetha, KS, United States of America

Wenger Manufacturing Inc.

Forward Citations = 1,573

48 inventors:

goldMedal Marc L Wenger (31 out of 31 patents)

silverMedal LaVon Wenger (28 out of 29 patents)

bronzeMedal Gordon R Huber (22 out of 26 patents)

4.  Bobbie W Hauck (21 out of 22 patents)

5.  Galen J Rokey (20 out of 21 patents)

Please report any incorrect information to [email protected]
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