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For the Inventor, By the Inventor

Dallas, TX, United States of America

William W Dollison

USPTO Granted Patents = 16

Average Co-Inventor Count = 1.0

ph-index = 7

Forward Citations = 230(Granted Patents)


Company Filing History:

goldMedal13 out of 461 
 
Otis Engineering Corporation
 patents
silverMedal1 out of 1 
 
Otis Engineering Corportion
 patent
bronzeMedal1 out of 1,479 
 
Halliburton Company
 patents
4. 1 out of 832,891 
Other
 patents

Years Active: 1981-1994

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16 patents (USPTO):Explore Patents
1. 5310005 - Flapper valve assembly with floating hinge (1994-05-10),
2. 5145005 - Casing shut-in valve system (1992-09-08),
3. 5141023 - Flow actuated safety valve (1992-08-25),
4. 5133404 - Rotary running tool for rotary lock mandrel (1992-07-28),
5. 5095994 - Flow actuated safety valve with retrievable choke and metal seals (1992-03-17),
6. 5082061 - Rotary locking system with metal seals (1992-01-21),
7. 4969515 - Expendable devices for well lock system (1990-11-13),
8. 4919205 - Friction-reducing device (1990-04-24),
9. 4776401 - Foot valve for pumping wells (1988-10-11),
10. 4693171 - Position responsive valve control for hydraulic cylinder (1987-09-15),
11. 4691511 - Hydraulic well pump (1987-09-08),
12. 4680930 - Hydraulic control circuit and valve assembly (1987-07-21),
13. 4571939 - Hydraulic well pump (1986-02-25),
14. 4491055 - Control of continuous reciprocation of a fluid power cylinder (1985-01-01),
15. 4312378 - Tool diverter (1982-01-26),

Sure, I can provide you with the article on William W Dollison as per the given data.

Title: William W Dollison - Pioneering Innovations in Subterranean Well Technology

Introduction: William W Dollison, a seasoned inventor hailing from Dallas, TX, has made significant contributions to the field of subterranean well technology. With an impressive portfolio of 16 patents, Dollison's innovative solutions have revolutionized the industry.

Latest Patents:

1. Flapper valve assembly with floating hinge - Dollison's ingenious flapper valve assembly design incorporates a floating hinge mechanism for optimal performance in flow conduits within subterranean wells. The assembly features a unique strut assembly that ensures efficient valve closure under varying conditions.

2. Casing shut-in valve system - Dollison's casing shut-in valve system integrates a flapper valve assembly and a shift head assembly, offering enhanced control over the valve operation. This system enables precise opening and closing of the valve, facilitating seamless flow management within wells.

Career Highlights: Dollison's expertise was honed during his tenure at Otis Engineering Corporation, where he played a pivotal role in developing cutting-edge technologies for the oil and gas sector. His innovative solutions have garnered acclaim within the industry, positioning him as a thought leader in well engineering.

Collaborations: In his professional journey, Dollison collaborated closely with esteemed colleagues such as John C Gano, leveraging collective expertise to drive innovation in well technologies. Their partnership exemplifies a commitment to excellence and a shared passion for advancing engineering solutions.

Conclusion: William W Dollison's relentless pursuit of innovation and commitment to excellence have solidified his reputation as a visionary in the realm of subterranean well technology. His groundbreaking inventions continue to shape the industry landscape, setting new benchmarks for efficiency and performance.

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