East Grand Rapids, MI, United States of America

Mark William Spoelhof

This inventor holds 88 USPTO granted patents and 8 published patent applications and 3 EPO patents, primarily in Seating Solutions (CPC class A47C7-445). Top assignees: Steelcase Inc., Smith System Manufacturing Company, Inc.. Active years: 2012-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mark William Spoelhof. Retrieved from https://idiyas.com/inventor/mark-william-spoelhof

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 88 (Patent Applications = 8)

% Patents Active = 100.0

EPO Patents = 3 (Patent Applications = 6)

Average Co-Inventor Count = 4.6

ph-index = 17

Forward Citations = 876(Granted Patents)

Forward Citations (Not Self Cited) = 512(Dec 10, 2025)

Inventors with similar research interests:

Location History:

East Grand Rapids, MI (US) (2019 - 2023)
Grand Rapids, MI (US) (2012 - 2024)

Company Filing History:

Smith System Manufacturing Company, Inc.

patents

Years Active: 2012-2026

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Areas of Expertise:

Seating Arrangement

Body Support Structure

Personal Workspace

Chair

Lumbar Support

Stool

Backrest

Flexible Support Member

Videoconference Assembly

Nested Stools

Accessory Hook

Partition

88 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12582234 - Seating arrangement (2026-03-24),

2. 12207737 - Body support structure (2025-01-28),

3. 12161232 - Body support assembly and methods for the use and assembly thereof (2024-12-10),

4. 12152398 - Personal workspace assembly (2024-11-26),

5. D1039284 - Chair (2024-08-20),

6. 11963621 - Seating arrangement (2024-04-23),

7. D1009536 - Chair (2024-01-02),

8. 11857083 - Chair having a flexible support member (2024-01-02),

9. 11812870 - Body support structure (2023-11-14),

10. 11805913 - Body support assembly and methods for the use and assembly thereof (2023-11-07),

11. 11786039 - Body support assembly and methods for the use and assembly thereof (2023-10-17),

12. D995180 - Chair with lumbar support (2023-08-15),

13. D995179 - Chair with lumbar support (2023-08-15),

14. D988049 - Lumbar support (2023-06-06),

15. D988048 - Lumbar support (2023-06-06),

Title: The Innovative Journey of Mark William Spoelhof

Introduction: Mark William Spoelhof, a talented inventor hailing from East Grand Rapids, MI (US), has made significant contributions to the world of innovations with his creative mind and dedication.

Latest Patents: Mark William Spoelhof holds several patents in various fields, showcasing his versatility and ingenuity in inventing new solutions to complex problems.

Career Highlights: Throughout his career, Mark William Spoelhof has demonstrated a keen eye for identifying gaps in the market and developing groundbreaking inventions to fill those voids. His passion for innovation has led to the creation of several successful products that have improved the lives of many.

Collaborations: Mark William Spoelhof has collaborated with leading research institutions, universities, and companies to bring his inventions to life. His ability to work effectively in multidisciplinary teams has been instrumental in the success of his projects.

Conclusion: In conclusion, Mark William Spoelhof stands as a shining example of an inventor who has made a lasting impact on the world through his innovative spirit and dedication to pushing the boundaries of what is possible.

Profile summary based on public USPTO records.