Donald J Gray

This inventor holds 14 USPTO granted patents and 2 published patent applications. Top assignees: Gebhard-Gray Associates, Serec Partners, Other. Active years: 1993-2010.

USPTO Granted Patents = 14 (Patent Applications = 2)

% Patents Active = 85.7

Average Co-Inventor Count = 1.6

ph-index = 7

Forward Citations = 153(Granted Patents)

Location History:

East Greenwich, RI (US) (1993 - 1999)
Warwick, RI (US) (2002 - 2010)

Company Filing History:

2 out of 2

Gebhard-Gray Associates

11 out of 834,411

Other

patents

Years Active: 1993-2010

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7846262 - Aqueous cleaning of liquid residue by etching (2010-12-07),

2. 7444761 - Intrinsically safe flammable solvent processing method and system (2008-11-04),

3. 6824620 - Method for removing particles and non-volatile residue from an object (2004-11-30),

4. 6802137 - Solvent drying method (2004-10-12),

5. 6783602 - Multistep single chamber parts processing method (2004-08-31),

6. 6783601 - Method for removing particles and non-volatile residue from an object (2004-08-31),

7. 6743300 - Multistep single chamber parts proceeding method (2004-06-01),

8. 6418942 - Solvent and aqueous decompression processing system (2002-07-16),

9. 6004403 - Solvent cleaning system (1999-12-21),

10. 5702535 - Dry cleaning and degreasing system (1997-12-30),

11. 5630434 - Filter regeneration system (1997-05-20),

12. 5538025 - Solvent cleaning system (1996-07-23),

13. 5469876 - Cleaning method and system (1995-11-28),

14. 5240507 - Cleaning method and system (1993-08-31),

Title: The Innovative Contributions of Donald J Gray

Introduction

Donald J Gray is a notable inventor based in Warwick, RI (US), recognized for his significant contributions to the field of cleaning technologies. With a total of 14 patents to his name, Gray has developed innovative methods that enhance the efficiency and safety of chemical processing.

Latest Patents

Among his latest patents is the invention titled "Aqueous cleaning of liquid residue by etching." This method involves cleaning an object in an open aqueous cleaning system, where water is introduced into a cleaning vessel. A reactant chemical is added to form an aqueous solution, facilitating the cleaning process through bubble formation that vaporizes the chemical. This innovative approach effectively removes contaminants without causing dissolution or emulsion, thus conserving resources and reducing pollution. Another significant patent is the "Intrinsically safe flammable solvent processing method and system." This invention allows for the safe processing of chemically treated parts in a controlled environment by applying negative gauge pressure to remove air. The introduction of an oxygen-free solvent prevents deflagration, enabling the use of flammable solvents safely.

Career Highlights

Throughout his career, Donald J Gray has worked with various companies, including Gebhard-Gray Associates. His work has focused on developing safer and more efficient chemical processing methods, contributing to advancements in the industry.

Collaborations

Gray has collaborated with notable individuals such as Peter T Gebhard and Charlotte Frederick, further enhancing his innovative projects and expanding his impact in the field.

Conclusion

Donald J Gray's inventive spirit and dedication to improving cleaning technologies have led to significant advancements in the industry. His patents reflect a commitment to safety, efficiency, and environmental conservation.