This inventor holds 6 USPTO granted patents. Top assignee: Calmar Inc.. Active years: 1996-2001.
Company Filing History:
Years Active: 1996-2001
Title: Tanny Li - Innovator in Anti-Clog Pump Sprayer Technology
Introduction
Tanny Li is a prominent inventor based in Walnut, California, known for her innovative contributions to the field of pump sprayer technology. With a total of 6 patents to her name, she has made significant strides in creating solutions that enhance product usability and efficiency.
Latest Patents
One of Tanny's latest inventions is the anti-clog pump sprayer. This device features a cover that is mounted for independent reciprocation on a plunger head. The cover includes a cupped spring-biased portion that covers the discharge orifice on the head, effectively preventing clogging caused by product drying. During operation, the cover lifts off the orifice, allowing for seamless spraying. Additionally, the sprayer is equipped with a product retraction device that communicates with the discharge orifice. A projection on the underside of the cover's top wall actuates this device at the beginning of the plunger's return stroke, creating a slight sub-atmospheric pressure. This pressure helps suction any residual product back into the orifice, further preventing clogging.
Career Highlights
Tanny Li has established herself as a key player in her field through her work at Calmar Inc. Her innovative designs and practical solutions have garnered attention and respect within the industry.
Collaborations
Throughout her career, Tanny has collaborated with notable colleagues, including Kenneth D. Siegel and James R. Gillingham. These partnerships have contributed to her success and the advancement of her inventions.
Conclusion
Tanny Li's work in developing the anti-clog pump sprayer showcases her commitment to innovation and problem-solving in product design. Her contributions continue to impact the industry positively, making her a noteworthy inventor in the field.