Brian M Graichen

This inventor holds 73 USPTO granted patents and 3 published patent applications and 45 EPO patents, primarily in Vacuum Technology (CPC class F16K). Top assignees: Dayco IP Holdings, LLC, Hanon Systems, Tlx Technologies, LLC. Active years: 2015-2023.

USPTO Granted Patents = 73 (Patent Applications = 3)

% Patents Active = 89.0

EPO Patents = 45 (Patent Applications = 42)

Average Co-Inventor Count = 4.0

ph-index = 8

Forward Citations = 235(Granted Patents)

Forward Citations (Not Self Cited) = 166(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Royal Oak, MI (US) (2016)
Leonard, MI (US) (2015 - 2023)

Company Filing History:

70 out of 152

Dayco IP Holdings, LLC

Tlx Technologies, LLC

patents

where one patent can have more than one assignee

Years Active: 2015-2023

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Areas of Expertise:

Venturi Devices

Aspirators

Check Valves

Vacuum Pumps

Flow Control

Variable Flow Valve

Noise Attenuation

Engine Systems

Plug Valves

Sprung Gate Valves

Centrifugal Pumps

Evacuators

73 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11560952 - Variable cylinder wall for seals on plug valve (2023-01-24),

2. 11280414 - Plug valve hard seals on cylinder wall (2022-03-22),

3. 11067177 - Sprung gate valves movable by an actuator (2021-07-20),

4. 10781828 - Centrifugal pump with noise dampening rubber isolation impeller bushing (2020-09-22),

5. 10724550 - Venturi devices with dual Venturi flow paths (2020-07-28),

6. 10677239 - Solenoid activated vacuum pump for an engine system and system having same (2020-06-09),

7. 10626888 - Dual Venturi device (2020-04-21),

8. 10571030 - Valve gate within a Venturi gap of a Venturi device for producing vacuum (2020-02-25),

9. 10525952 - Aspirators for producing vacuum using the venturi effect (2020-01-07),

10. 10513954 - Restrictors using the Venturi effect (2019-12-24),

11. 10480537 - Low-cost evacuator for an engine having tuned Venturi gaps (2019-11-19),

12. 10473235 - Bypass check valve and Venturi having same (2019-11-12),

13. 10443627 - Vacuum producing device having a suction passageway and a discharge passageway entering through the same wall (2019-10-15),

14. 10422351 - Devices for producing vacuum using the venturi effect having a plurality of subpassageways and motive exits in the motive section (2019-09-24),

15. 10336305 - Aspirators for producing vacuum using the venturi effect (2019-07-02),

Title: Inventor Brian M Graichen - Pioneering Innovations in Leonard, MI

Introduction: Brian M Graichen is a distinguished inventor based in Leonard, MI, known for his groundbreaking contributions to various fields.

Latest Patents: Brian M Graichen holds several patents in the areas of technology and engineering, showcasing his continuous commitment to innovation.

Career Highlights: Throughout his career, Brian M Graichen has demonstrated a remarkable ability to transform ideas into tangible inventions that have the potential to shape the future.

Collaborations: Brian M Graichen has collaborated with leading experts in the industry, fostering a culture of creativity and excellence in all his projects.

Conclusion: In conclusion, Brian M Graichen's passion for innovation and his relentless pursuit of excellence make him a standout figure in the world of inventors.