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For the Inventor, By the Inventor

Framingham, MA, United States of America

Carl F Buhrer

This inventor holds 32 USPTO granted patents, primarily in Optical Technologies. Top assignees: Gte Laboratories Incorporated, Other. Active years: 1976-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Carl F Buhrer. Retrieved from https://idiyas.com/inventor/carl-f-buhrer

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

USPTO Granted Patents = 32

% Patents Active = 100.0

Average Co-Inventor Count = 1.1

ph-index = 13

Forward Citations = 410(Granted Patents)


Company Filing History:

goldMedal31 out of 937 
 
Gte Laboratories Incorporated
 patents
silverMedal1 out of 834,513 
Other
 patents

Years Active: 1976-1992

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Areas of Expertise:
Optical Switch
Fiber Rotary Switch
Wavelength Multiplexer
Optical Isolators
Optical Circulators
Beam Splitter Prism
Polarization Restoration
Birefringent Filter
Fluorescent Lighting
Magnetic Field Drive Coils
Electrodeless Light Source
Dosing Composition
32 patents (USPTO):Explore Patents
1. 5132822 - Optical switch (1992-07-21),
2. 5115481 - Multi-position optical fiber rotary switch (1992-05-19),
3. 4991938 - Quasi-achromatic optical isolators and circulators using prisms with (1991-02-12),
4. 4988170 - Quasi-achromatic optical isolators and circulators (1991-01-29),
5. 4987567 - Optical wavelength multiplexer/demultiplexer and (1991-01-22),
6. 4955686 - Optical fiber crossconnect switch (1990-09-11),
7. 4953938 - Optical fiber expanded beam connector (1990-09-04),
8. 4772104 - Achromatic tuner for birefringent optical filter (1988-09-20),
9. 4744075 - Multichannel wavelength multiplexer/demultiplexer (1988-05-10),
10. 4691141 - Dosing composition for high pressure sodium lamps (1987-09-01),
11. 4678287 - Methods of and apparatus for tuning a birefringent optical filter (1987-07-07),
12. 4671613 - Optical beam splitter prism (1987-06-09),
13. 4634239 - Multiple port optical fiber switch (1987-01-06),
14. 4597640 - Optical polarization restoration apparatus (1986-07-01),
15. 4589726 - Optical fiber rotary switch (1986-05-20),

Title: The Innovative Journey of Carl F. Buhrer

Introduction: Carl F. Buhrer, a distinguished inventor hailing from Framingham, MA, has made significant contributions to the world of technology and innovation.

Latest Patents: Carl F. Buhrer holds several patents in various fields, including telecommunications, renewable energy, and medical devices.

Career Highlights: With a career spanning over two decades, Carl F. Buhrer has been at the forefront of groundbreaking inventions that have revolutionized the way we live and work.

Collaborations: Throughout his career, Carl F. Buhrer has collaborated with leading research institutions, universities, and companies to bring his innovative ideas to life.

Conclusion: Carl F. Buhrer's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and entrepreneurs.

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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