This inventor holds 5 USPTO granted patents and 3 published patent applications. Top assignee: Ebay, Incorporated. Active years: 2019-2024.
Location History:
- San Francisco, CA (US) (2019 - 2023)
- Newburgh, IN (US) (2024)
Company Filing History:

Years Active: 2019-2024
Title: David Louis Lippman: Innovator in Rehabilitation and Dynamic Search Systems
Introduction
David Louis Lippman is a notable inventor based in San Francisco, CA. He has made significant contributions to the fields of rehabilitation technology and dynamic content delivery systems. With a total of 5 patents, Lippman continues to push the boundaries of innovation.
Latest Patents
Lippman's latest patents include groundbreaking inventions such as walking assistance devices and rehabilitation systems. These devices are designed to reduce the knee adduction moment in users, thereby alleviating stress on the knee. This innovation has the potential to slow the deterioration associated with osteoarthritis and delay the need for knee replacement surgery. One embodiment of this device features a handle or grip portion, a shaft portion, and a base portion with a rocker bottom that effectively reduces the knee adduction moment on the stance leg of the user.
Another significant patent is the dynamic content delivery search system. This system comprises a computer-readable storage medium that stores at least one program and a computer-implemented method for providing a dynamic content delivery search experience. The system detects the entry of a first keyword in a search string and identifies it before the entry of a second keyword. It then refines the search results based on the second keyword, presenting the most relevant results to the user.
Career Highlights
David Lippman is currently employed at eBay, Incorporated, where he applies his expertise in technology and innovation. His work focuses on developing solutions that enhance user experience and improve accessibility in various applications.
Collaborations
Lippman has collaborated with notable colleagues such as Raymond Jeczen Pittman and Michael George Lenahan. These partnerships have contributed to the advancement of his innovative projects and patents.
Conclusion
David Louis Lippman is a distinguished inventor whose work in rehabilitation devices and dynamic search systems showcases his commitment to improving lives through technology. His contributions continue to influence the fields of healthcare and information technology.