Harold A Luettgen

This inventor holds 62 USPTO granted patents and 10 published patent applications, plus 17 CIPO patents and 12 EPO patents, primarily in Oral Hygiene Devices (CPC class A61C). Top assignees: Water Pik, Inc., Tersano Inc.. Active years: 2003-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Harold A Luettgen. Retrieved from https://idiyas.com/inventor/harold-a-luettgen

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

USPTO Granted Patents = 62 (Patent Applications = 10)

% Patents Active = 82.3

CIPO Patents = 17 (Patent Applications = 5)

EPO Patents = 12 (Patent Applications = 11)

Average Co-Inventor Count = 2.7

ph-index = 26

Forward Citations = 3,095(Granted Patents)

Forward Citations (Not Self Cited) = 2,809(Dec 10, 2025)

Inventors with similar research interests:

Company Filing History:

Years Active: 2003-2026

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Areas of Expertise:

Oral Irrigator

Toothbrush Tip

Brush Head

Sonic Toothbrush

Dental Water Jet

Fluid Control

Radiant Energy Delivery

Massage Mode

Handheld Showerhead

Powered Irrigator

Load Sensing

Showerhead Bracket

62 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12727983 - Toothbrush hose connector assembly (2026-09-08),

2. 12383387 - Oral irrigator (2025-08-12),

3. 11826214 - Oral irrigator (2023-11-28),

4. 11744690 - Toothbrush tip (2023-09-05),

5. D959840 - Brush head for oral cleansing device (2022-08-09),

6. 11399925 - Wirelessly controlled oral irrigator (2022-08-02),

7. 11351018 - Oral cleansing device with removable base (2022-06-07),

8. 11213834 - Showerhead bracket (2022-01-04),

9. 11173020 - Oral irrigator appliance with radiant energy delivery for bactericidal effect (2021-11-16),

10. 11039906 - Tip ejection assembly for an oral irrigator (2021-06-22),

11. 10945912 - Oral irrigator with variable output fluid characteristics (2021-03-16),

12. 10918469 - Toothbrush with fluid directing drive assembly (2021-02-16),

13. 10828137 - Brush tip with motion transfer and securing engagement structures (2020-11-10),

14. D878765 - Brush head for oral cleansing device (2020-03-24),

15. 10561480 - Load sensing for oral devices (2020-02-18),

Title: The Inventor Profile of Harold A Luettgen

Introduction: Harold A Luettgen is a renowned inventor based in Windsor, Colorado, known for his innovative contributions in various fields.

Latest Patents: Harold A Luettgen holds several patents in the areas of renewable energy technologies, sustainable agriculture practices, and advanced manufacturing processes.

Career Highlights: With a career spanning over two decades, Harold A Luettgen has worked on groundbreaking projects that have significantly impacted industries such as clean energy, biotechnology, and materials science.

Collaborations: Throughout his career, Harold A Luettgen has collaborated with leading research institutions, universities, and companies to bring his inventions to life and create real-world applications for his innovative ideas.

Conclusion: Harold A Luettgen's passion for innovation and his dedication to pushing the boundaries of technology make him a standout figure in the world of inventors and innovators.

Profile summary based on public USPTO records.