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Shreveport, LA, United States of America

John B Sardisco

This inventor holds 17 USPTO granted patents, primarily in Phosphate Processing. Top assignee: Pennzoil Company. Active years: 1976-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John B Sardisco. Retrieved from https://idiyas.com/inventor/john-b-sardisco

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

Calculating rank

USPTO Granted Patents = 17

% Patents Active = 100.0

Average Co-Inventor Count = 1.9

ph-index = 6

Forward Citations = 113(Granted Patents)

Company Filing History:

Pennzoil Company

Years Active: 1976-1984

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Areas of Expertise:

Phosphoric Acid

Potassium Sulfate

Phosphate Ore

Alkali Metal Products

Fluoride-Free Reactions

Plant Tissue Analysis

Monocalcium Phosphate

Potassium Polyphosphates

Gypsum Recovery

Hydrochloric Acid

Potassium Dihydrogen Phosphate

17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4479923 - Production of phosphoric acid and additional products from phosphate ore (1984-10-30),

2. 4435370 - Preparation of monocalcium phosphate and/or phosphoric acid from (1984-03-06),

3. 4393032 - Production of phosphoric acid and additional products from phosphate ore (1983-07-12),

4. 4393030 - Upgrading of phosphate ore (1983-07-12),

5. 4371512 - Production of alkali metal sulfates (1983-02-01),

6. 4343781 - Decomposition of 2KCl.CuCl to produce cuprous chloride and potassium (1982-08-10),

7. 4328196 - Production of alkali metal products from alkali metal fluosilicate (1982-05-04),

8. 4303610 - Test kit for field analysis of plant tissue magnesium and calcium (1981-12-01),

9. 4268492 - Process for production of potassium sulfate and hydrochloric acid (1981-05-19),

10. 4191734 - Fluoride-free phosphate reactions (1980-03-04),

11. 4137063 - Production of potassium polyphosphates from potassium silicofluorides (1979-01-30),

12. 4105748 - Method of producing phosphoric acid and potassium dihydrogen phosphate (1978-08-08),

13. 4060586 - Recovery of fluorides from gypsum (1977-11-29),

14. 4055626 - Method of producing fluoride-free phosphoric acid (1977-10-25),

15. 4045543 - Production of potassium sulfate and hydrogen chloride (1977-08-30),

Title: The Inventor John B Sardisco: Pioneering Innovations in Shreveport

Introduction: John B Sardisco is a distinguished inventor based in Shreveport, Louisiana, known for his groundbreaking contributions to various fields through his innovative creations.

Latest Patents: John B Sardisco holds several patents in diverse areas, showcasing his versatility and creativity in inventing new solutions to complex problems.

Career Highlights: Throughout his illustrious career, John B Sardisco has consistently pushed the boundaries of innovation, earning recognition for his forward-thinking approach and impactful inventions.

Collaborations: John B Sardisco has collaborated with leading experts in the industry, fostering a culture of innovation and knowledge-sharing to drive progress and bring revolutionary ideas to life.

Conclusion: John B Sardisco's passion for innovation and his relentless pursuit of excellence continue to inspire aspiring inventors and shape the future of technology and beyond.

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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