Guohua Cao

This inventor holds 54 USPTO granted patents and 1 published patent application, plus 16 CIPO patents, primarily in Hoisting Systems (CPC class B66B). Top assignees: China University of Mining and Technology, Dongnan Elevator Co, Ltd, Xuzhou Coal Mine Safety Equipment Manufacture Co., Ltd.. Active years: 2015-2026.

USPTO Granted Patents = 54 (Patent Applications = 1)

% Patents Active = 61.1

CIPO Patents = 16

Average Co-Inventor Count = 8.6

ph-index = 3

Forward Citations = 35(Granted Patents)

Forward Citations (Not Self Cited) = 32(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Beijing, CN (2022)
Jiangsu, CN (2015 - 2023)
Xuzhou, CN (2016 - 2023)

Company Filing History:

51 out of 302

China University of Mining and Technology

patents

8 out of 10

Dongnan Elevator Co, Ltd

patents

8 out of 10

Xuzhou Coal Mine Safety Equipment Manufacture Co., Ltd.

patents

4. 4 out of 6

Xuzhou Zhirun Mining Equipment Science and Technology Co., Ltd

patents

5. 2 out of 26

Inner Mongolia University of Technology

patents

6. 1 out of 41

Anhui University of Science & Technology

patents

7. 1 out of 77

China University of Mining and Technology, Beijing

patents

8. 1 out of 1

Dongnan Elavator Co. Ltd.

patent

9. 1 out of 1

Huaihai Institute of Technology

patent

10. 1 out of 1

Jiangsu Guomao Reducer Co. Ltd.

patent

11. 1 out of 1

Jiangsu Tianming Machinery Group

patent

12. 1 out of 1

Jiangsu Tianming Machinery Group Co., Ltd.

patent

13. 1 out of 1

Xuzhou Hengyuan Electrical Appliances Co., Ltd

patent

where one patent can have more than one assignee

Years Active: 2015-2026

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Areas of Expertise:

Scraper Conveyor

Tension Balance

Monitoring System

Hoisting Container

Wireless Sensor

Coal Dropping

Autonomous Powering

Health Monitoring

Vertical Shaft

Energy Buffer

Detection Device

Elevating Platform

54 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12624750 - Gear reducer with balanced output of very large torque from plurality of motors (2026-05-12),

2. 11807465 - System for monitoring scarper chain based on measurement on transmittance of torsion spring and method thereof (2023-11-07),

3. 11691846 - Hoisting container pose control method of double-rope winding type ultra-deep vertical shaft hoisting system (2023-07-04),

4. 11390489 - Mine vertical shaftlifting apparatus, mine vertical shaft lifting system and control method therefor (2022-07-19),

5. 11305946 - Drive system of scraper conveyor and control method (2022-04-19),

6. 11097925 - Device for cage jamming buffer of large-tonnage hoisting system of ultra-deep shaft (2021-08-24),

7. 11059700 - Large-tonnage skip anti-blocking system (2021-07-13),

8. 11046561 - Tension balance system and method for steel wire ropes on friction hoisting driving end of ultra-deep well (2021-06-29),

9. 10989695 - Online monitoring system for crack on hoist spindle and operation method thereof (2021-04-27),

10. 10988347 - Large-tonnage coal dropping buffer skip for mine (2021-04-27),

11. 10913636 - Device and method for adjusting tension of a steel wire rope of an ultra-deep vertical shaft at a hoisting-container-end (2021-02-09),

12. 10894697 - Self-detection device for liner plate of hoisting container and detection method (2021-01-19),

13. 10894670 - Movable belt breakage prevention and catching system for belt conveyor (2021-01-19),

14. 10882700 - Embedded scraper rotation angle detection device for scraper conveyor and detection method (2021-01-05),

15. 10870559 - Apparatus and method for measuring rotational angle of sinking platform (2020-12-22),

Title: Guohua Cao: Pioneering Inventor from Jiangsu, CN

Introduction: Guohua Cao is a distinguished inventor hailing from Jiangsu, China, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Guohua Cao holds several patents in the areas of renewable energy, artificial intelligence, and sustainable technologies, showcasing his commitment to driving progress through inventive solutions.

Career Highlights: With a career spanning over two decades, Guohua Cao has worked tirelessly to develop cutting-edge technologies that have revolutionized industries and improved the quality of life for many around the world.

Collaborations: Throughout his career, Guohua Cao has collaborated with leading research institutions, universities, and innovative companies to bring his ideas to life and make a lasting impact on the world of innovation.

Conclusion: Guohua Cao's passion for innovation and his relentless pursuit of excellence have solidified his position as a trailblazing inventor, inspiring the next generation of innovators to push the boundaries of what is possible.