Kalamazoo, MI, United States of America

Mark S Feddema

This inventor holds 70 USPTO granted patents and 12 published patent applications and 6 EPO patents, primarily in Dishwasher Technology (CPC class A47L). Top assignees: Whirlpool Corporation, Stryker Corporation, Whirpool Corporation. Active years: 1999-2026.

USPTO Granted Patents = 70 

% Patents Active = 94.3

 

Average Co-Inventor Count = 2.0

ph-index = 8

Forward Citations = 296(Granted Patents)

Forward Citations (Not Self Cited) = 243(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Benton Harbor, MI (US) (2008 - 2023)
  • Kalamazoo, MI (US) (1999 - 2024)

Company Filing History:


Years Active: 1999-2026

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Areas of Expertise:
Dishwasher
Air Knife
Spray Assembly
Filter Assembly
Dish Rack
Cup Shelf
Paddle Wheel
Adjustable Tines
Volumetric Flow Control
Low-Profile Rack
Dish Treating Appliance
Foreigh Object Protection
70 patents (USPTO):Explore Patents

Title: The Innovative Journey of Inventor Mark S Feddema

Introduction:

Mark S Feddema, a prolific inventor based in Kalamazoo, MI, has made significant contributions to the field of household appliances through his numerous patents and groundbreaking inventions.

Latest Patents:

Feddema's recent patents include a Cup Shelf for Dishrack and a Dishwasher Chopstick Tray. The latter invention focuses on an automatic dishwashing device that features a unique tray system for enhanced functionality and convenience.

Career Highlights:

With an impressive portfolio of 54 patents to his name, Feddema has showcased his expertise in inventing solutions that improve everyday tasks in the home. He has made valuable contributions during his tenure at renowned companies such as Whirlpool Corporation and Stryker Corporation.

Collaborations:

During his career, Feddema has collaborated with esteemed professionals in the industry, including coworkers like Antony Mark Rappette and Chad T Vanderroest. These collaborations have led to the development of innovative products and technologies that have made a positive impact on the market.

Conclusion:

Mark S Feddema's inventive spirit and dedication to creating practical solutions have solidified his reputation as a leading inventor in the field of household appliances. His series of patents reflect a commitment to innovation and a keen understanding of consumer needs, making him a valuable asset to the industry.

Profile summary based on public USPTO records.
Please report any incorrect information to [email protected]
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