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For the Inventor, By the Inventor

Overland Park, KS, United States of America

Marlen Research Corporation


USPTO Granted Patents = 34


Forward Citations = 357

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28 inventors (with patents filed for the assignee):

goldMedal Richard G Powers (20 out of 29 patents)

silverMedal Lewis F Alley (8 out of 9 patents)

bronzeMedal Warren R Schack (7 out of 7 patents)

4.  James E Anderson (7 out of 7 patents)

5.  Wendell E Dennis (6 out of 6 patents)

6.  Joseph S Zeets (6 out of 6 patents)

7.  Joseph G Currier (5 out of 5 patents)

8.  James E White (4 out of 4 patents)

9.  William R Wright (3 out of 3 patents)

10.  Steven M Sheeley (2 out of 2 patents)

11.  Kevin A Washam (2 out of 2 patents)

12.  Michael P Licata (1 out of 28 patents)

13.  Stephen Brown (1 out of 10 patents)

14.  Drake L Koch (1 out of 19 patents)

15.  Harrison A Ailey, Jr (1 out of 11 patents)


Core Competencies:
Meat Packaging
Piston Pumps
Portioning Apparatus
Elastomeric Materials
Rapid Clean-Out Valve
Slicing Equipment
Extrusion Die
Vacuum Grinding
Continuous Flow Cooking
Anaerobic Emulsification
Flexible Container Systems
Jet Knife Structure

34 patents:

1. 6305149 - Method and apparatus for packaging meat (2001-10-23),
2. 6113482 - Metal-detectable elastomeric material for piston seals and the like (2000-09-05),
3. 5553985 - Quick clean-up dual piston pump (1996-09-10),
4. D369510 - Twin piston pump (1996-05-07),
5. 5479847 - Dual-piston pump apparatus (1996-01-02),
6. 5474101 - Rapid clean-out valve assembly (1995-12-12),
7. 5464338 - Food pump (1995-11-07),
8. 5445512 - Segmented piston face plate assembly for patty forming apparatus (1995-08-29),
9. 5330382 - Sizer adapter apparatus and method for creating substantially evenly and (1994-07-19),
10. 5197914 - Casing brake mechanism for stuffing apparatus (1993-03-30),
11. 5104348 - Sizer apparatus having shiftable horn (1992-04-14),
12. 5102094 - Vacuumizer valve assembly (1992-04-07),
13. 5071326 - Double piston portioning apparatus (1991-12-10),
14. 5035671 - Dual piston portioner and casing device (1991-07-30),
15. 5029735 - Portioning apparatus (1991-07-09),
Marlen Research Corporation, based in Overland Park, Kansas, specializes in the development and manufacturing of innovative food processing equipment and solutions. The company focuses on enhancing food safety, quality, and efficiency through advanced technology in areas such as portioning, cooking, and packaging. With a commitment to research and development, Marlen aims to meet the evolving needs of the food industry, providing tailored solutions that improve operational performance and product integrity.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

34 Patents

#10 in Overland Park, KS

#67 in Kansas

#10,002 in US

#19,612 in the World

Overland Park, KS (US)
Overland Park, KS, United States of America

Marlen Research Corporation

Forward Citations = 357

28 inventors:

goldMedal Richard G Powers (20 out of 29 patents)

silverMedal Lewis F Alley (8 out of 9 patents)

bronzeMedal Warren R Schack (7 out of 7 patents)

4.  James E Anderson (7 out of 7 patents)

5.  Wendell E Dennis (6 out of 6 patents)

Please report any incorrect information to [email protected]
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