Inventors with similar research interests:
Location History:
- Summit, WI (US) (1994)
- Mequon, WI (US) (1991 - 1996)
- Missoula, MT (US) (1999)
- Oconomononoc, WI (US) (2001)
- Ocon, WI (US) (2001)
- Oconomowod, WI (US) (2004)
- Oconomowoc, WI (US) (1995 - 2018)
- Nekoosa, WI (US) (2018 - 2024)
Company Filing History:
43 out of 66 
10 out of 364 
7 out of 10 Years Active: 1991-2025
Areas of Expertise:
Title: Robert F. Crane: Innovating Pipe Extraction Technologies
Introduction
Robert F. Crane, a prolific inventor based in Oconomowoc, Wisconsin, has made significant contributions to the field of pipe extraction technology, holding an impressive total of 67 patents. His innovative approaches aim to solve complex challenges in the maintenance and repair of underground piping systems.
Latest Patents
Among his latest groundbreaking inventions are two notable patents. The first is a method titled **"Lead Pipe Spudding Prior to Extraction or Remediation."** This invention involves a technique for enlarging a crushed section of a ductile pipe using a wire rope with a series of beads of increasing size. This innovative method allows the crushed pipe to be reformed to its original size or greater, facilitating subsequent extraction or remediation processes.
The second patent, **"System for Applying Torsional Force to a Buried Pipe to Facilitate Extraction,"** presents a unique solution for breaking the skin friction between an underground pipe and the surrounding soil. By utilizing a pipe twisting device, this system applies torsional force to the pipe, effectively allowing for its removal from the earth after overcoming resistance.
Career Highlights
Throughout his career, Crane has worked with prominent companies, including Earth Tool Company LLC, where he has likely contributed to various advancements in pipe technology. His extensive experience has allowed him to hone his skills and insight into the complexities of underground utilities and the innovations required to improve their extraction and maintenance.
Collaborations
Collaboration has been a significant part of Crane's journey, and he has worked alongside talented individuals such as Steven W. Wentworth and Mark D. Randa. These partnerships have fostered a creative environment that encourages the development of novel solutions to persistent industry problems.
Conclusion
Robert F. Crane's contributions to pipe extraction technology showcase his commitment to innovation and his ability to address engineering challenges with practical solutions. With 67 patents to his name, Crane remains a vital figure in the advancement of techniques that enhance the efficiency and safety of underground piping systems. His work not only exemplifies the spirit of invention but also highlights the collaborative nature of technological progress.
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