Location History:
- Federal Way, WA (US) (1992 - 1993)
- Falls Church, VA (US) (1998)
- Kent, WA (US) (1994 - 2014)
- Seattle, WA (US) (2011 - 2015)
- Seahurst, WA (US) (2022 - 2023)
Company Filing History:
30 out of 59 
5 out of 832,912 Years Active: 1992-2023
Title: **Innovative Contributions of John L White in Pile Driving Technology**
Introduction
John L White is a prominent inventor based in Kent, WA, renowned for his significant contributions to the field of pile driving technology. With an impressive portfolio of 35 patents to his name, White has played a pivotal role in advancing methods and systems that enhance the efficiency and safety of vibratory pile drivers.
Latest Patents
Among his latest innovations are two notable patents:
1. **Multi-stage suppressor for vibrating pile driver** - This invention is a shock-absorbing apparatus designed specifically for vibratory pile drivers. It features three suppressor sections, where the first section is engineered to absorb a load up to a specific threshold. The second section is tailored to manage loads exceeding that of the first section, while the third system provides a transition between the two as the load escalates.
2. **Lubrication system for a vibratory pile driver** - This lubrication system incorporates a hydraulic cylinder pump that draws oil from the pile driver gearbox. It connects to an actuating mechanism, facilitating the flow of oil through an exit line to a spray mechanism situated in the gearbox housing. This system ensures that lubrication is applied to the gearbox bearings before operational elements begin to function, thereby enhancing efficiency and longevity.
Career Highlights
John L White has made a name for himself in the industry, particularly through his association with American Piledriving Equipment, Inc. His work there has been instrumental in developing innovative solutions that address the challenges faced by professionals in the field.
Collaborations
Throughout his career, White has collaborated with notable peers, including Kingsley S Evarts and David A Yingling. Their collective expertise and insights have supported the development of groundbreaking technologies in pile driving.
Conclusion
John L White's inventive spirit and dedication to improving pile driving technologies have led to significant advancements in the industry. His extensive patent portfolio reflects not only his creativity and technical skills but also his commitment to enhancing the safety and effectiveness of construction operations. White's contributions will undoubtedly continue to impact the field for years to come.