Location History:
- Wantage, EN (1977)
- Belmont Park, Wantage, GB (1979)
- Wantage, GB (1978 - 1980)
Company Filing History:
5 out of 28 
3 out of 9 Years Active: 1977-1980
Title: **The Innovative Contributions of John J. Ward**
Introduction
John J. Ward is a renowned inventor based in Wantage, GB, with a remarkable portfolio of eight patents. His innovative contributions to the field of electrodeposition have positioned him as a significant figure in material science and engineering. With a dedication to advancing methods of metal coating, Ward's work continues to have a lasting impact on industries that rely on corrosion resistance and protective coatings.
Latest Patents
Among his latest innovations, John J. Ward has developed patented methods concerning the electrodeposition of black chromium and the electrolytic formation of chromite coatings. The first patent outlines an electrolyte solution specifically devised for the electrodeposition of black chromium on substrates. This solution comprises water, trivalent chromium ions, ions of metals such as iron and cobalt, and a weak complexing agent like hypophosphite or formate, along with phosphate ions.
In his second patent, Ward describes a method of depositing protective chromite conversion coatings free of CrVI. The process utilizes CrIII ions at concentrations not exceeding 1 molar and employs weak complexing agents. This method operates under specific conditions, utilizing a cathode current density of no more than 2000 amps per square meter and a temperature limit of 35°C for a maximum period of 3 minutes. The resulting chromite coatings not only provide effective corrosion resistance but can also be further enhanced through aging, allowing for post-coating painting or lacquering.
Career Highlights
John J. Ward’s career features significant contributions while working with notable organizations, including the International Lead Zinc Research Organization, Inc. and BNF Metals Technology Centre. His innovative approach in these roles has facilitated advancements in coating technologies, showcasing his expertise in material applications and sustainable practices.
Collaborations
Ward has collaborated with talented professionals throughout his career, including Clive Barnes and Direj Vallabhbhai Patel. These partnerships have spurred creativity and innovation, reinforcing the collaborative nature of scientific research and patent development.
Conclusion
John J. Ward's impact as an inventor is firmly established through his cutting-edge patents and collaborations within the industry. His work continues to influence the field of electrodeposition and materials engineering, setting a foundation for future innovations in protective coatings. As technologies evolve, the contributions of inventors like Ward remain vital in shaping advancements that enhance product durability and sustainability.