This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignees: Litton Systems, Inc., Other. Active years: 1990-1998.
Location History:
- Tarzana, CA (US) (1990 - 1996)
- Chico, CA (US) (1998)
Company Filing History:
2 out of 1,258 
1 out of 834,411 Years Active: 1990-1998
Title: John G Larson: Innovator in Piling Removal and Ion Beam Polishing
Introduction
John G Larson is a notable inventor based in Tarzana, CA (US). He holds a total of 3 patents that showcase his innovative contributions to the fields of construction and materials science. His work has significantly impacted the efficiency of piling removal and the quality of substrate polishing.
Latest Patents
One of Larson's latest inventions is a piling remover designed with two embodiments. The first embodiment is tailored for the removal of short pilings, while the second is intended for long pilings. Both designs feature a pile-fitting tube equipped with hydraulic cylinders at the top. These cylinders push downward, causing rocking cutters at the bottom to pivot, with sharpened ends moving inward to shear off the piling. This apparatus is compatible with a backhoe or a derrick, allowing operators to lift and deposit the cut-off piling efficiently.
Another significant patent is the apparatus and method for ion beam polishing. This invention utilizes an ion beam to polish a rotatable substrate from an oblique angle, enhancing the quality of the substrates. The design allows for in-situ deposition of thin films within a high vacuum chamber, preventing contamination and ensuring premium optics. A wobble stick arrangement is included to align the ellipsometer reflected beam with the detector during operation, maintaining the vacuum integrity.
Career Highlights
Throughout his career, John G Larson has worked with various companies, including Litton Systems, Inc. His experience in these organizations has contributed to his expertise and innovative capabilities in his field.
Collaborations
Larson has collaborated with notable individuals such as William P Debley and Robert P Goldman. These partnerships have likely enriched his work and led to further advancements in his inventions.
Conclusion
John G Larson is a distinguished inventor whose patents in piling removal and ion beam polishing reflect his innovative spirit and technical expertise. His contributions continue to influence the industry and pave the way for future advancements.