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For the Inventor, By the Inventor

Leonard, MI, United States of America

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.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Brian M Graichen. Retrieved from https://idiyas.com/inventor/brian-m-graichen

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

USPTO Granted Patents = 73 

% Patents Active = 89.0

 

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:

goldMedal70 out of 152 
 
Dayco IP Holdings, LLC
 patents
silverMedal3 out of 858 
 
Hanon Systems
 patents
bronzeMedal1 out of 16 
 
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):Explore 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.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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