Annemarie Ott Weist

This inventor holds 13 USPTO granted patents and 5 published patent applications, plus 10 CIPO patents and 7 EPO patents, primarily in Natural Gas Liquefaction. Top assignees: Air Products and Chemicals, Inc., Honeywell Lng LLC. Active years: 2010-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Annemarie Ott Weist. Retrieved from https://idiyas.com/inventor/annemarie-ott-weist

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

Calculating rank

USPTO Granted Patents = 13 (Patent Applications = 5)

% Patents Active = 61.5

CIPO Patents = 10 (Patent Applications = 3)

EPO Patents = 7 (Patent Applications = 9)

Average Co-Inventor Count = 3.3

ph-index = 4

Forward Citations = 64(Granted Patents)

Company Filing History:

11 out of 3,224

Air Products and Chemicals, Inc.

Years Active: 2010-2026

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Areas of Expertise:

LNG Production

NGL Recovery

Heat Exchanger

Gas Dispersion

Ozone Production

Anaerobic Digestion

Noble Gas Purification

Mass Transfer

Contaminant Removal

Hydrocarbon Removal

Pressure Swing Adsorption

Integrated Nitrogen Removal

13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12742588 - Single mixed refrigerant LNG production process (2026-09-22),

2. 12366408 - Open loop liquefaction process with NGL recovery (2025-07-22),

3. 11668522 - Heavy hydrocarbon removal system for lean natural gas liquefaction (2023-06-06),

4. 11561049 - Coil wound heat exchanger (2023-01-24),

5. 11221176 - Natural gas liquefaction with integrated nitrogen removal (2022-01-11),

6. 10982898 - Modularized LNG separation device and flash gas heat exchanger (2021-04-20),

7. 10935312 - Balancing power in split mixed refrigerant liquefaction system (2021-03-02),

8. 9126855 - Methods for using ozone to enhance anaerobic digestion (2015-09-08),

9. 8871098 - Gas dispersion apparatus for improved gas-liquid mass transfer (2014-10-28),

10. 8337674 - Ozone production by pressure swing adsorption using a noble gas additive (2012-12-25),

11. 7862645 - Removal of gaseous contaminants from argon (2011-01-04),

12. 7819947 - Ozone production by pressure swing adsorption using a protective adsorbed component (2010-10-26),

13. 7645431 - Purification of noble gases using online regeneration of getter beds (2010-01-12),

Title: Annemarie Ott Weist: Innovator in Natural Gas Liquefaction

Introduction

Annemarie Ott Weist is a prominent inventor based in Macungie, PA (US). She has made significant contributions to the field of natural gas liquefaction, holding a total of 13 patents. Her innovative work focuses on improving processes for liquefying natural gas and recovering natural gas liquids.

Latest Patents

Among her latest patents is the "Open loop liquefaction process with NGL recovery." This patent describes methods and systems for removing natural gas liquids from a natural gas feed stream and for liquefying the natural gas feed stream to produce both a liquefied natural gas (LNG) stream and a natural gas liquids (NGL) stream. Another notable patent is the "Heavy hydrocarbon removal system for lean natural gas liquefaction." This invention outlines a system and method for integrated heavy hydrocarbon removal in a liquefaction system that utilizes a lean natural gas source. It includes an economizer that cools an overhead vapor stream against a partially condensed stream, while maintaining the pressure of the natural gas feed stream into a scrub column.

Career Highlights

Annemarie has worked with leading companies in the industry, including Air Products and Chemicals, Inc. and Honeywell LNG LLC. Her experience in these organizations has allowed her to develop and refine her innovative technologies in natural gas processing.

Collaborations

Throughout her career, Annemarie has collaborated with notable professionals, including Mark Julian Roberts and Christopher Michael Ott. These collaborations have contributed to her success and the advancement of her inventions.

Conclusion

Annemarie Ott Weist is a trailblazer in the field of natural gas liquefaction, with a strong portfolio of patents that reflect her innovative spirit. Her work continues to impact the industry positively, paving the way for advancements in natural gas processing technologies.

Profile summary based on public USPTO records.