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For the Inventor, By the Inventor

Hartford, VT, United States of America

Charles W Spehrley, Jr

This inventor holds 35 USPTO granted patents, primarily in Ink Jet Printing. Top assignees: Spectra, Inc., Xerox Corporation, Markem Corporation. Active years: 1979-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Charles W Spehrley, Jr. Retrieved from https://idiyas.com/inventor/charles-w-spehrley-jr

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

USPTO Granted Patents = 35

% Patents Active = 97.1

Average Co-Inventor Count = 2.3

ph-index = 17

Forward Citations = 756(Granted Patents)


Location History:

  • Quechee, VT (US) (1979 - 1980)
  • Hanover, NH (US) (1980)
  • Lebanon, NH (US) (1981)
  • Hartford, VT (US) (1988 - 1994)
  • Whiteriver Junction, VT (US) (1989 - 1999)
  • Keene, NH (US) (2010)

Company Filing History:

goldMedal22 out of 74 
 
Spectra, Inc.
 patents
silverMedal9 out of 24,261 
 
Xerox Corporation
 patents
bronzeMedal2 out of 71 
 
Markem Corporation
 patents
4. 1 out of 184 
 
Fujifilm Dimatix, Inc.
 patents
5. 1 out of 834,570 
Other
 patents

Years Active: 1979-2010

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Areas of Expertise:
Ink Jet Printer
Hot Melt Ink
Transparency Preparation
Ink Supply System
Color Printing
Deaeration
Controlled Ink Drop
Bidirectional Printing
Post-Processing
Subtractive Color
Transport System
Particle Dispensing
35 patents (USPTO):Explore Patents
1. 7690779 - High resolution multicolor ink jet printer (2010-04-06),
2. 5980981 - Method of preparing a transparency having a hot melt ink pattern (1999-11-09),
3. 5910810 - Ink jet printing system (1999-06-08),
4. 5489925 - Ink jet printing system (1996-02-06),
5. 5467180 - High air flow low pressure prefuser transport (1995-11-14),
6. 5337079 - Post-processing of colored hot melt ink images (1994-08-09),
7. 5281442 - Treatment of hot melt ink images (1994-01-25),
8. 5189438 - Dual reservoir and valve system for an ink jet head (1993-02-23),
9. 5182571 - Hot melt ink jet transparency (1993-01-26),
10. 5172135 - Hot melt ink supply unit (1992-12-15),
11. 5114747 - Treatment of hot melt ink images (1992-05-19),
12. 5105204 - Subtractive color hot melt ink reflection images on opaque substrates (1992-04-14),
13. 5075689 - Bidirectional hot melt ink jet printing (1991-12-24),
14. 5043741 - Controlled ink drop spreading in hot melt ink jet printing (1991-08-27),
15. 5023111 - Treatment of hot melt ink images (1991-06-11),

Title: The Innovative Mind of Charles W. Spehrley, Jr.

Introduction:

Charles W. Spehrley, Jr. is a visionary inventor based in Hartford, Vermont. With a passion for pushing the boundaries of technology, he has made significant contributions to various fields through his groundbreaking inventions.

Latest Patents:

Charles W. Spehrley, Jr. holds several patents in the areas of renewable energy technologies, medical devices, and sustainable agriculture practices. His most recent patents focus on enhancing the efficiency of solar power systems and improving healthcare delivery through innovative devices.

Career Highlights:

Throughout his illustrious career, Charles W. Spehrley, Jr. has been recognized for his inventive spirit and problem-solving abilities. He has received numerous awards for his contributions to the field of clean energy and has been a keynote speaker at prestigious technology conferences worldwide.

Collaborations:

Charles W. Spehrley, Jr. has collaborated with leading research institutions, universities, and companies to bring his inventions to life. His collaborative efforts have resulted in the development of cutting-edge technologies that have the potential to revolutionize industries and improve the quality of life for people around the globe.

Conclusion:

In conclusion, Charles W. Spehrley, Jr. stands as a beacon of innovation in the world of inventors. His relentless pursuit of excellence and his commitment to creating a better future through technology make him a true pioneer in his field.

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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