Location History:
- Evanston, IL (US) (1996)
- Hanover Park, IL (US) (1991 - 1997)
- Barrington, IL (US) (2000 - 2012)
- Glenview, IL (US) (2020)
- Lake Barrington, IL (US) (2014 - 2022)
- Austin, TX (US) (2023)
Company Filing History:
8 out of 7,595 
8 out of 8 
5 out of 5 Years Active: 1991-2023
Title: **The Innovative Contributions of Terence J Knowles**
Introduction
Terence J Knowles, based in Barrington, IL, is a prominent inventor known for his significant contributions to the field of ultrasonic sensing technologies. With an impressive portfolio of 32 patents, Knowles has demonstrated exceptional creativity and technical expertise throughout his career.
Latest Patents
Among his most notable recent patents are innovations in acoustic liquid level sensors. His first invention, the **Acoustic Array Liquid Level Sensor**, utilizes ultrasonic sensors to accurately detect liquid levels. This invention features a substrate equipped with an acoustic array, an acoustic diversion array positioned strategically, and a collimation groove that aids in the sensing process. The design allows for effective monitoring when fed from the top or side of a tank.
Knowles has also designed the **Helical Acoustic Liquid Level Sensor**, which includes a unique helix-shaped second probe coiling around a first probe. This innovative arrangement enables precise transmission and reception of ultrasonic signals through fluid mediums, ensuring reliable fluid level detection.
Career Highlights
Throughout his career, Terence J Knowles has been associated with several respected companies, including Illinois Tool Works Inc. and Texzec, Inc. His work at these organizations has not only contributed to his personal achievements but has also driven technological advancements in the industry.
Collaborations
In his professional journey, Knowles has collaborated with notable individuals like Charles F Bremigan, III and Chris Kalmus. These partnerships have fostered a creative exchange of ideas and have been integral to the development of his innovative solutions.
Conclusion
Terence J Knowles exemplifies the spirit of innovation through his extensive patent portfolio and impactful collaborations. His developments in ultrasonic sensing technologies demonstrate his commitment to advancing the field and improving how industries monitor fluid levels. As technology continues to evolve, his contributions remain a testament to the potential of invention and creativity in solving complex challenges.