Company Filing History:
11 out of 309 
1 out of 70 
1 out of 832,680 Years Active: 1976-1994
Title: The Innovative Contributions of John P. Ekstrand
Introduction
John P. Ekstrand is a notable inventor based in Palo Alto, California, recognized for his significant contributions to the field of technology and engineering. With a total of 13 patents to his name, Ekstrand has made remarkable advancements, particularly in heating technologies and vacuum systems.
Latest Patents
Among his latest inventions is the Thermal Induction Heater, which utilizes a ferromagnetic material heated by a varying magnetic field. This innovative heater is designed for medical applications, featuring a large cross-section comprised of many small, insulated members. Each member is surrounded by a heat conductive, electrically conductive coating, enhancing its efficiency. Another significant patent is the Induction Heated Cathode, which improves vacuum and plasma tubes. This invention includes a cathode loop made of a material suitable for induction heating, supported by a structure within the vacuum tube. An external power supply generates an alternating electromagnetic field to induce heat in the cathode loop, facilitating the release of electrons into the vacuum tube. This technology is particularly beneficial for ion laser gain mediums.
Career Highlights
Throughout his career, John P. Ekstrand has worked with prominent companies such as Spectra-Physics GmbH and Metcal, Inc. His experience in these organizations has contributed to his expertise and innovative capabilities in the field.
Collaborations
Ekstrand has collaborated with notable individuals in his field
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.