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For the Inventor, By the Inventor

Beresford, SD, United States of America

John F Finger

This inventor holds 13 USPTO granted patents. Top assignees: Sioux Steam Cleaner Corporation, Other. Active years: 1976-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John F Finger. Retrieved from https://idiyas.com/inventor/john-f-finger

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 13

% Patents Active = 100.0

Average Co-Inventor Count = 1.2

ph-index = 7

Forward Citations = 94(Granted Patents)


Company Filing History:

goldMedal12 out of 17 
 
Sioux Steam Cleaner Corporation
 patents
silverMedal1 out of 834,570 
Other
 patents

Years Active: 1976-1987

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13 patents (USPTO):Explore Patents
1. 4678892 - Combination cleaner safety circuit (1987-07-07),
2. 4552162 - Electric combination cleaner (1985-11-12),
3. 4436113 - Cleaning apparatus (1984-03-13),
4. 4368757 - Cleaning apparatus and method (1983-01-18),
5. 4217924 - Cleaning system having steam and water mixing ejector (1980-08-19),
6. 4217888 - Liquid solar heat collector (1980-08-19),
7. 4095563 - Low pressure steam generator (1978-06-20),
8. 4039350 - Industrial cleaning system (1977-08-02),
9. 4007712 - Water heater (1977-02-15),
10. 4003407 - Drip-preventing condensation shroud usable with water heaters (1977-01-18),
11. 3987811 - Control valve mechanism for cleaning apparatus using fluids (1976-10-26),
12. 3982471 - Seal in pump piston intermittently permitting conduction of pump fluid (1976-09-28),
13. 3970048 - Low pressure steam generator (1976-07-20),

Title: **Innovative Contributions of John F. Finger in Cleaning Technologies**

Introduction

John F. Finger, a talented inventor based in Beresford, South Dakota, has made significant strides in the field of cleaning technology. With 13 patents to his name, Finger has developed innovative solutions that enhance the safety and efficiency of cleaning systems.

Latest Patents

Among his notable inventions are two key patents that showcase his engineering skills. The first, the **Combination Cleaner Safety Circuit**, describes a safety control circuit for an electric combination cleaner that utilizes an on-delay relay and off-delay relay to prevent overheating. This technology ensures that the equipment operates smoothly without damage during start-up and shutdown. The second, the **Electric Combination Cleaner**, presents an advanced pressure cleaning system designed for rapid air purging and system priming. This system is meticulously constructed for use in hazardous areas, featuring a float entry tank connected to a pump and a series of sensors to monitor flow and temperature, safeguarding against premature burnout of heating elements.

Career Highlights

Throughout his career, John F. Finger has worked with prominent companies, including Sioux Steam Cleaner Corporation. His work in these organizations has allowed him to develop and refine his innovative ideas, resulting in a series of patents that continue to influence the industry.

Collaborations

Finger has collaborated with noteworthy individuals in his field, including Harry S. Bucy and Glen A. Lawrenson. These professional relationships have fostered an environment of creativity and innovation, enabling Finger to enhance his designs and the overall effectiveness of his inventions.

Conclusion

In summary, John F. Finger has established himself as a prominent figure in the realm of cleaning technologies through his innovative patents and collaborations. His dedication to safety and efficiency has paved the way for advancements that benefit both consumers and professionals in the cleaning 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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