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For the Inventor, By the Inventor

Anoka, MN, United States of America

David A Hassell

This inventor holds 13 USPTO granted patents, primarily in Beverage Dispensing. Top assignees: Imi Cornelius, Inc., The Cornelius Company, Other. Active years: 1977-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David A Hassell. Retrieved from https://idiyas.com/inventor/david-a-hassell

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

% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 10

Forward Citations = 470(Granted Patents)


Location History:

  • Coon Rapids, MN (US) (1977 - 1980)
  • Anoka, MN (US) (1987 - 1996)

Company Filing History:

goldMedal5 out of 117 
 
Imi Cornelius, Inc.
 patents
silverMedal4 out of 81 
 
The Cornelius Company
 patents
bronzeMedal4 out of 834,708 
Other
 patents

Years Active: 1977-1996

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Areas of Expertise:
Beverage Dispenser
Cold Plate
Carbonator
Evaporative Cooling
Electronic Disconnect
Ice Bank Control
Post-Mix Valve
Flavor Dispensing
Food Oven
Gas Pressure Regulator
Heating Method
Rotary Oven
13 patents (USPTO):Explore Patents
1. 5524452 - Beverage dispenser having an L-shaped cold plate with integral carbonator (1996-06-11),
2. 5249710 - Beverage dispenser having cold plate with evaporative cooling (1993-10-05),
3. 5193718 - Quick electronic disconnect for a beverage dispensing valve (1993-03-16),
4. 5163298 - Electronic ice bank control (1992-11-17),
5. 5156301 - Constant ratio post-mix beverage dispensing valve (1992-10-20),
6. 4979647 - Method and apparatus for cooling and dispensing beverage (1990-12-25),
7. 4972883 - Method and apparatus for dispensing beverage with automatic shut-off in (1990-11-27),
8. 4658988 - Multiple flavor post-mix beverage dispensing apparatus (1987-04-21),
9. 4191881 - Food oven (1980-03-04),
10. 4164591 - Method of heating a food article (1979-08-14),
11. 4111222 - Adjustment limiter in a compressed gas pressure regulator (1978-09-05),
12. 4072093 - Rotary food oven (1978-02-07),
13. 4059398 - Food oven (1977-11-22),

Title: Innovations by David A Hassell

Introduction

David A Hassell is a notable inventor based in Anoka, MN (US), recognized for his contributions to beverage dispensing technology. With a total of 13 patents to his name, he has made significant advancements in the design and functionality of beverage dispensers.

Latest Patents

One of his latest patents is for a beverage dispenser featuring an L-shaped cold plate with an integral carbonator. This innovative apparatus includes a horizontal and vertical portion, with beverage lines extending in a serpentine fashion. The design allows for efficient fluid connection between beverage dispensing valves and liquid sources. Another recent patent involves a beverage dispenser with a cold plate utilizing evaporative cooling. This design incorporates a heat tube that enhances the cooling process, ensuring optimal beverage temperature.

Career Highlights

Throughout his career, David has worked with reputable companies such as Imi Cornelius, Inc. and The Cornelius Company. His experience in these organizations has contributed to his expertise in beverage dispensing technologies.

Collaborations

David has collaborated with notable coworkers, including Karl A Senghaas and Elvis S Zimmer, further enhancing his innovative projects.

Conclusion

David A Hassell's work in beverage dispensing technology showcases his inventive spirit and dedication to improving consumer experiences. His patents reflect a commitment to innovation in the industry.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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