Frank S Wallis

This inventor holds 43 USPTO granted patents and 3 published patent applications, plus 2 CIPO patents and 10 EPO patents, primarily in Refrigeration Systems. Top assignees: Copeland Corporation, Emerson Climate Technologies Gmbh, Emerson Climate Technologies Retail Solutions, Inc.. Active years: 1991-2025.

USPTO Granted Patents = 43 (Patent Applications = 3)

% Patents Active = 95.3

CIPO Patents = 2

EPO Patents = 10 (Patent Applications = 10)

Average Co-Inventor Count = 2.6

ph-index = 9

Forward Citations = 469(Granted Patents)

Company Filing History:

Emerson Climate Technologies Gmbh

patents

4 out of 17

Emerson Climate Technologies Retail Solutions, Inc.

patents

4. 2 out of 40

Copeland Comfort Control LP

patents

5. 1 out of 6

Copeland Cold Chain LP

patents

Years Active: 1991-2025

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Areas of Expertise:

Compressor Protection

Energy Management

Liquid Migration

Vapor Injection

Capacity Modulation

Hermetic Compressor

Scroll Machine

Sound Attenuation

Diagnostics

Reed Valve

Maintenance

43 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12422177 - Mitigating compressor liquid migration and/or floodback using suction temperature sensor and/or liquid level sensor (2025-09-23),

2. 12215904 - Energy management for refrigeration systems (2025-02-04),

3. 12092111 - Compressor with oil pump (2024-09-17),

4. 11768019 - Controls and related methods for mitigating liquid migration and/or floodback (2023-09-26),

5. 11346583 - Climate-control system having vapor-injection compressors (2022-05-31),

6. 11009250 - Maintenance and diagnostics for refrigeration systems (2021-05-18),

7. 10775085 - Energy management for refrigeration systems (2020-09-15),

8. 10627146 - Liquid slugging detection and protection (2020-04-21),

9. 10371406 - Maintenance and diagnostics for refrigeration systems (2019-08-06),

10. 10352308 - Reciprocating compressor with vapor injection system (2019-07-16),

11. 10280918 - Reciprocating compressor with vapor injection system (2019-05-07),

12. 10240836 - Energy management for refrigeration systems (2019-03-26),

13. 10145372 - Variable capacity reciprocating compressor (2018-12-04),

14. 9876346 - System and method for compressor motor protection (2018-01-23),

15. 9590413 - System and method for compressor motor protection (2017-03-07),

Title: The Legacy of Frank S. Wallis: Pioneering Inventor from Sidney, OH

Introduction: Frank S. Wallis, a distinguished inventor hailing from Sidney, OH, has made significant contributions to the field of innovations with his groundbreaking creations and patents.

Latest Patents: Frank S. Wallis holds several patents in various industries, showcasing his versatility and ingenuity in inventing new technologies to solve complex problems.

Career Highlights: Throughout his illustrious career, Frank S. Wallis has been recognized for his innovative spirit and dedication to pushing the boundaries of what is possible. His inventions have not only improved efficiency in different sectors but have also inspired future generations of inventors.

Collaborations: Frank S. Wallis has collaborated with leading companies, research institutions, and universities to further develop his inventions and bring them to market. His ability to work with diverse teams highlights his commitment to driving progress through innovation.

Conclusion: Frank S. Wallis stands as a true pioneer in the world of inventions, leaving a lasting impact on the industry with his creative solutions and forward-thinking approach. His legacy continues to inspire aspiring inventors to think outside the box and pursue their innovative ideas relentlessly.