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For the Inventor, By the Inventor

Taby, Sweden

Carl S Hartwig

USPTO Granted Patents = 16

Average Co-Inventor Count = 1.4

ph-index = 7

Forward Citations = 227(Granted Patents)


Company Filing History:

goldMedal11 out of 23 
 
Institut Cerac Sa
 patents
silverMedal2 out of 204 
 
Atlas Copco Aktiebolag
 patents
bronzeMedal2 out of 10 
 
Atlas Copco Construction and Mining Technique Ab
 patents
4. 1 out of 4 
 
Atlas Copco Mct Ab
 patents

Years Active: 1983-1992

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16 patents (USPTO):Explore Patents
1. 5104262 - Tunnel boring machine (1992-04-14),
2. 5058690 - Rock working tool (1991-10-22),
3. 5046783 - Tunnel boring machine (1991-09-10),
4. 4853554 - Starting device (1989-08-01),
5. 4766963 - Hand-held hammer tool (1988-08-30),
6. 4758132 - Rotary machine with motor embedded in the rotor (1988-07-19),
7. 4724806 - Lubricant circulation system (1988-02-16),
8. 4665704 - Combustion engine system (1987-05-19),
9. 4639645 - Drive system for A.C. motors (1987-01-27),
10. 4601351 - Electrically driven hammer machine (1986-07-22),
11. 4550282 - Method and device for controlling a brushless alternating current motor (1985-10-29),
12. 4546282 - Magnetizable core for accommodating electrical conductors in an (1985-10-08),
13. 4511312 - Method of driving the impeller of a liquid pump by means of a brushless (1985-04-16),
14. 4492526 - Compressor drive system (1985-01-08),
15. 4446706 - Washing machine (1984-05-08),

Title: The Innovations of Carl S. Hartwig

Introduction

Carl S. Hartwig, an influential inventor based in Taby, Sweden, has made significant contributions to the field of tunnel construction with a total of 16 patents to his name. His inventive prowess has led to the development of advanced machinery designed to enhance the efficiency and safety of tunnel boring operations.

Latest Patents

Among his latest inventions is the “Tunnel Boring Machine” which features a unique design incorporating several swingable arms equipped with boring tools. These arms can be adjusted to swing outward into an active position or retracted into an inactive position, allowing for versatile operation. This innovative machine facilitates the insertion of steel supporting arches into the excavated area, thus improving structural integrity.

Additionally, Hartwig has developed a “Rock Working Tool” specifically tailored for tunnel boring machines. This tool consists of a shaft with a central hole, allowing for the rotatable mounting of tool parts. A cooling system designed within the tool channels ensures effective cooling by directing liquid from a pressure source, enhancing the tool’s operational capabilities during tunnel excavation.

Career Highlights

Throughout his career, Carl S. Hartwig has held positions at notable companies such as Institut Cerac SA and Atlas Copco Aktiebolag. His experience in these organizations has significantly influenced his innovative approach to tunnel boring technology, solidifying his reputation as a leading inventor in this specialized field.

Collaborations

In his pursuit of technological advancement, Hartwig has collaborated with esteemed coworkers including Erik A. Ljung and Sven H. Johansson. Their collective expertise and synergistic efforts have yielded groundbreaking inventions that have revolutionized tunnel construction methodologies.

Conclusion

Carl S. Hartwig's contributions to the tunnel boring industry underscore his status as a prolific inventor. With 16 patents and a commitment to innovation, his work continues to pave the way for advancements in engineering and construction. As his inventions evolve, they promise to enhance the efficiency, safety, and effectiveness of tunnel excavation processes worldwide.

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