South Windsor, CT, United States of America

Ulf J Jonsson

This inventor holds 37 USPTO granted patents and 10 published patent applications, plus 3 CIPO patents and 28 EPO patents, primarily in Refrigeration Systems. Top assignees: Carrier Corporation, Sikorsky Aircraft Corporation, Utc Fire and Security Corporation. Active years: 2006-2026.

USPTO Granted Patents = 37 (Patent Applications = 10)

% Patents Active = 86.5

CIPO Patents = 3 (Patent Applications = 1)

EPO Patents = 28 (Patent Applications = 33)

Average Co-Inventor Count = 4.0

ph-index = 7

Forward Citations = 147(Granted Patents)

Company Filing History:

Sikorsky Aircraft Corporation

patents

6 out of 76

Utc Fire and Security Corporation

patents

4. 4 out of 10,655

United Technologies Corporation

patents

5. 2 out of 2,488

Raytheon Technologies Corporation

Hamilton Sundstrand Corporation

patents

8. 1 out of 661

Rosemount Aerospace Limited

patents

9. 1 out of 86

Utc Fire & Security Americas Corporation, Inc.

patents

Years Active: 2006-2026

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Areas of Expertise:

Refrigerant Compressors

Hybrid Bearings

Squeeze Film Dampers

Lubricant Sensing

Heat Transfer Systems

Electromechanical Actuators

Fire Suppression

HVAC Systems

Oil Recovery

Thermal Management

Door Locks

Turbomachinery

37 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12590548 - Under-ring oil feed for squeeze film bearing damper (2026-03-31),

2. 12497903 - Multi-stage partial admission axial turbine (2025-12-16),

3. 12385491 - Direct drive refrigerant screw compressor with refrigerant lubricated rotors (2025-08-12),

4. 11959673 - Enhanced method of lubrication for refrigeration compressors (2024-04-16),

5. 11898561 - Direct drive refrigerant screw compressor with refrigerant lubricated rotors (2024-02-13),

6. 11662263 - Pressure sensor for preventing fluid jetting (2023-05-30),

7. 11292987 - Active filter for oil-free refrigerant compressor (2022-04-05),

8. 11181008 - Self-pressurized squeeze film damper (2021-11-23),

9. 11174988 - Lubricant level sensing for an actuator (2021-11-16),

10. 10920615 - Self pressurizing squeeze film damper (2021-02-16),

11. 10823467 - Low-oil refrigerants and vapor compression systems (2020-11-03),

12. 10781857 - Hybrid bearings (2020-09-22),

13. 10648702 - Low capacity, low-GWP, HVAC system (2020-05-12),

14. 10641529 - Heat transfer system with tribofilm on bearing surface (2020-05-05),

15. 10571074 - Lubricant level sensing for an actuator (2020-02-25),

Title: The Innovative Journey of Ulf J Jonsson

Introduction: Ulf J Jonsson, a talented inventor hailing from South Windsor, CT (US), has made significant contributions to the field of innovations with his creative mind and dedication.

Latest Patents: Ulf J Jonsson's latest patents showcase his commitment to pushing the boundaries of technology and design, with a focus on improving everyday life through his inventions.

Career Highlights: Throughout his illustrious career, Ulf J Jonsson has been recognized for his groundbreaking work in various industries, earning a reputation as a visionary inventor with a keen eye for detail and problem-solving.

Collaborations: Ulf J Jonsson has collaborated with leading companies, research institutions, and universities to bring his ideas to life, fostering a culture of innovation and excellence in every project he undertakes.

Conclusion: Ulf J Jonsson's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors, leaving a lasting impact on the world of patents and inventions.