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For the Inventor, By the Inventor

Ponca City, OK, United States of America

John F Scamehorn

This inventor holds 11 USPTO granted patents. Top assignees: Continental Oil Company, Conoco Inc.. Active years: 1977-1980.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John F Scamehorn. Retrieved from https://idiyas.com/inventor/john-f-scamehorn

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

Calculating rank
USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 2.6

ph-index = 4

Forward Citations = 76(Granted Patents)


Location History:

  • Ponca City, OK (US) (1977 - 1979)
  • Austin, TX (US) (1978 - 1980)

Company Filing History:

goldMedal10 out of 304 
 
Continental Oil Company
 patents
silverMedal1 out of 860 
 
Conoco Inc.
 patents

Years Active: 1977-1980

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11 patents (USPTO):Explore Patents
1. 4218413 - High pore volume alumina powders (1980-08-19),
2. 4176171 - High pore volume alumina from dilute high injection alkoxide feed (1979-11-27),
3. 4140773 - Production of high pore volume alumina spheres (1979-02-20),
4. 4133871 - Process for preparing alumina (1979-01-09),
5. 4128405 - Incomplete drying of activated carbon in a process for VCM reduction in (1978-12-05),
6. 4126750 - Process for the high pressure methylation of 2,6-xylenol (1978-11-21),
7. 4117106 - Method for producing bayerite (1978-09-26),
8. 4117085 - Treatment of alumina to reduce discoloration (1978-09-26),
9. 4107421 - Removal of vinyl halide from polyvinyl halide (1978-08-15),
10. 4098593 - Adiabatic VCM adsorption on carbon (1978-07-04),
11. 4059675 - Decomposition of halogenated organic compounds (1977-11-22),

Title: The Innovative Contributions of John F. Scamehorn

Introduction

John F. Scamehorn is a notable inventor based in Ponca City, Oklahoma. He has made significant contributions to the field of materials science, particularly in the development of alumina powders. With a total of 11 patents to his name, Scamehorn's work has had a lasting impact on various industrial applications.

Latest Patents

Among his latest patents, Scamehorn has developed a method for producing high pore volume alumina powders. This innovative technique involves heating alumina slurries to a temperature near the boiling point of water and applying pressure up to the critical point of water. By introducing the slurry into a spray drying chamber through a small orifice, he creates a backpressure that exceeds the slurry vapor pressure. Another significant patent focuses on an improved method for increasing alumina pore volumes through the hydrolysis of aluminum alkoxides. This method involves diluting the aluminum alkoxide with an alkanol containing 2 to 8 carbon atoms before injecting it into the hydrolysis reactor at high velocities.

Career Highlights

Throughout his career, Scamehorn has worked with prominent companies such as Continental Oil Company and Conoco Inc. His experience in these organizations has provided him with a solid foundation in the practical applications of his inventions. His work has not only advanced the field of materials science but has also contributed to the efficiency and effectiveness

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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