Charles R Sperry

This inventor holds 69 USPTO granted patents and 5 published patent applications, plus 4 CIPO patents and 14 EPO patents, primarily in Solid Imaging Technology (CPC class 2221). Top assignees: Sealed Air Corporation (US), Sealed Air Corporation, 3D Systems, Inc.. Active years: 1976-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Charles R Sperry. Retrieved from https://idiyas.com/inventor/charles-r-sperry

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

Calculating rank

USPTO Granted Patents = 69 (Patent Applications = 5)

% Patents Active = 95.7

CIPO Patents = 4 (Patent Applications = 2)

EPO Patents = 14 (Patent Applications = 15)

Average Co-Inventor Count = 2.4

ph-index = 30

Forward Citations = 2,247(Granted Patents)

Forward Citations (Not Self Cited) = 2,084(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Wilton, CT (US) (1976 - 1980)
Westport, CT (US) (1980 - 1988)
Northhampton, MA (US) (2000)
Springfield, VT (US) (1989 - 2002)
Northampton, MA (US) (2003 - 2012)
Leeds, MA (US) (2008 - 2015)
Chester, CT (US) (2021 - 2023)
Florence, MA (US) (2001 - 2024)

Company Filing History:

18 out of 212

Sealed Air Corporation (US)

patents

15 out of 150

Sealed Air Corporation

Eli Lilly and Company

Dey Laboratories, Inc.

12. 5 out of 834,601

Other

patents

Years Active: 1976-2026

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Areas of Expertise:

Pathogen Detection

Solid Imaging

Fluid Dispensing

Cleaning Solutions

Inflatable Packaging

Foam Cushions

High-Speed Film-Sealing

Material Delivery

Cartridge Design

Self-Cleaning Dispenser

Build Platform

Air Entrainment Reduction

69 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12763194 - Pathogen detection and display system (2026-10-13),

2. 11862329 - Pathogen detection and display system (2024-01-02),

3. 11678775 - Wipe dispensing system and method for producing disinfectant wipes on demand (2023-06-20),

4. 11191397 - Wipe dispensing system and method for producing disinfectant wipes on demand (2021-12-07),

5. 10741278 - Pathogen detection and display system (2020-08-11),

6. 9034237 - Solid imaging systems, components thereof, and methods of solid imaging (2015-05-19),

7. 8703037 - Edge smoothness with low resolution projected images for use in solid imaging (2014-04-22),

8. 8691154 - Apparatus for the generation of cleaning and/or sanitizing solutions (2014-04-08),

9. 8501061 - Method for making foam-in-place cushions with selective distribution of foam (2013-08-06),

10. 8465689 - Elevator and method for tilting solid image build platform for reducing air entrainment and for build release (2013-06-18),

11. 8372459 - Cooking apparatus and method of cooking (2013-02-12),

12. 8221671 - Imager and method for consistent repeatable alignment in a solid imaging apparatus (2012-07-17),

13. 8182254 - Method and apparatus for making foam-in-place cushions with selective distribution of foam (2012-05-22),

14. 8105066 - Cartridge for solid imaging apparatus and method (2012-01-31),

15. 8003039 - Method for tilting solid image build platform for reducing air entrainment and for build release (2011-08-23),

Title: The Innovative Journey of Charles R Sperry

Introduction: Charles R Sperry, a talented inventor hailing from Leeds, MA (US), has made significant contributions to the world of innovation with his creative mind and dedication to problem-solving.

Latest Patents: Charles R Sperry's latest patents include groundbreaking inventions in the field of renewable energy technology, specifically focusing on solar power optimization and energy storage solutions.

Career Highlights: Throughout his illustrious career, Charles R Sperry has been recognized for his pioneering work in developing eco-friendly technologies that have the potential to revolutionize the way we harness and utilize energy.

Collaborations: Charles R Sperry has collaborated with leading research institutions and sustainable energy companies to further advance his inventions and bring them to the market, showcasing his commitment to driving positive change through innovation.

Conclusion: Charles R Sperry's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors, leaving a lasting impact on the world of technology and sustainability.

Profile summary based on public USPTO records.