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For the Inventor, By the Inventor

Danville, IL, United States of America

Patrick H Stewart

USPTO Granted Patents = 12

Average Co-Inventor Count = 2.1

ph-index = 5

Forward Citations = 103(Granted Patents)


Location History:

  • Danville, IL (US) (1977 - 2001)
  • Saugatuck, MI (US) (2022)

Company Filing History:

goldMedal8 out of 15 
 
C. L. Industries Inc.
 patents
silverMedal2 out of 18 
 
Envirox, L.l.c.
 patents
bronzeMedal1 out of 1 
 
Alphen, Inc.
 patent
4. 1 out of 1 
 
Core-lube, Inc.
 patent

Years Active: 1977-2022

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12 patents (USPTO):Explore Patents
1. 11518966 - Peroxide-based multi-purpose cleaning, degreasing, sanitizing, and disinfecting solutions and methods for preparing the same (2022-12-06),
2. 6316399 - Surfactants based aqueous compositions with D-limonene and hydrogen peroxide and methods using the same (2001-11-13),
3. 5602090 - Surfactants based aqueous compositions with D-limonene and hydrogen (1997-02-11),
4. 4448234 - Method for forming sand cores and molds (1984-05-15),
5. 4396526 - Organic hydroperoxide catalyst system (1983-08-02),
6. 4287092 - Acid catalysis of resin foundry binders (1981-09-01),
7. 4220578 - Method, resin and catalyst for increasing the tensile strength and core (1980-09-02),
8. 4215012 - Catalyst for increasing the tensile strength and core hardness of a sand (1980-07-29),
9. 4176114 - Process for manufacturing sand cores or molds (1979-11-27),
10. 4106545 - Method of automatic mold and core forming (1978-08-15),
11. 4037645 - Automatic mold and core forming machine (1977-07-26),
12. 4028271 - Binding resin for foundry sand and catalyst therefor (1977-06-07),

Title: The Innovative Contributions of Patrick H. Stewart

Introduction

Patrick H. Stewart is a notable inventor based in Danville, IL (US), recognized for his significant contributions to the field of cleaning solutions. With a total of 12 patents to his name, Stewart has developed innovative products that enhance cleanliness and sanitation in various environments.

Latest Patents

Among his latest patents, Stewart has created a peroxide-based multi-purpose cleaning, degreasing, sanitizing, and disinfecting solution. This cleaning solution includes a primary solvent, a secondary solvent that is at least partially miscible with the primary solvent, and an oxidizing agent that contains a peroxide. Additionally, it features a chelating agent, a surfactant system with multiple anionic surfactants, a pH modifier, and an optional amino acid. Another notable patent involves surfactant-based aqueous compositions that utilize D-limonene and hydrogen peroxide. This cleaning composition is designed as a micro-emulsion, making it suitable for both industrial and household applications.

Career Highlights

Throughout his career, Patrick H. Stewart has worked with several companies, including C. L. Industries Inc. and Envirox, L.L.C. His work has focused on developing effective cleaning solutions that meet the needs of various industries.

Collaborations

Stewart has collaborated with notable individuals in his field, including Wayne D. Woodson and Arman V. Melikyan. These collaborations have contributed to the advancement of his innovative cleaning solutions.

Conclusion

Patrick H. Stewart's contributions to the field of cleaning solutions through his patents demonstrate his commitment to innovation and excellence. His work continues to impact both industrial and household cleaning practices positively.

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