Paul Higginbotham

This inventor holds 52 USPTO granted patents and 16 published patent applications, plus 4 CIPO patents and 11 EPO patents, primarily in Air Separation. Top assignees: Air Products and Chemicals, Inc., The Boc Group, Inc.. Active years: 1996-2026.

USPTO Granted Patents = 52 (Patent Applications = 16)

% Patents Active = 82.7

CIPO Patents = 4 (Patent Applications = 10)

EPO Patents = 11 (Patent Applications = 23)

Average Co-Inventor Count = 1.8

ph-index = 8

Forward Citations = 241(Granted Patents)

Forward Citations (Not Self Cited) = 224(Dec 10, 2025)

Location History:

Guilford, GB (1996)
Guildford, GB (1996 - 2024)
Surrey, GB (1998 - 2024)

Company Filing History:

26 out of 3,218

Air Products and Chemicals, Inc.

Years Active: 1996-2026

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Areas of Expertise:

Air Separation

Hydrogen Purification

Carbon Dioxide Treatment

Cryogenic Separation

Helium Recovery

High Purity Hydrogen

Nitrogen Production

Centrifugal Compression

Natural Gas Processing

Dehydration Processes

Desulfurization

Gas Compression

52 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12599868 - Desulfurization of carbon dioxide-containing gases (2026-04-14),

2. 12280330 - Dehydration of carbon dioxide (2025-04-21),

3. 12181215 - Hydrogen liquefier (2024-12-31),

4. 12077434 - Method for producing high purity hydrogen (2024-09-03),

5. 11926906 - Process and apparatus for compressing hydrogen gas in a centrifugal compressor (2024-03-12),

6. 11773873 - Process and apparatus for compressing hydrogen gas in a centrifugal compressor (2023-10-03),

7. 11453950 - Method and apparatus for dosing hydrogen in a centrifugal compression system (2022-09-27),

8. 11353261 - Lights removal from carbon dioxide (2022-06-07),

9. 10962283 - Helium extraction from natural gas (2021-03-30),

10. 10655912 - Purification of carbon dioxide (2020-05-19),

11. 10267560 - Process for recovering hydrocarbons from crude carbon dioxide fluid (2019-04-23),

12. 10254042 - Purification of carbon dioxide (2019-04-09),

13. 10215488 - Treatment of nitrogen-rich natural gas streams (2019-02-26),

14. 10036590 - Helium recovery from streams containing helium, carbon dioxide, and at least one of nitrogen and methane (2018-07-31),

15. 9791210 - Systems and methods for recovering helium from feed streams containing carbon dioxide (2017-10-17),

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