This inventor holds 2 USPTO granted patents. Top assignees: Hughes Electronics Corporation, Trw Limited. Active years: 1998-1999.
Company Filing History:
Years Active: 1998-1999
Title: John R Bartholomew, III: Innovator in Antenna Technology
Introduction
John R Bartholomew, III is a notable inventor based in Torrance, CA. He has made significant contributions to the field of antenna technology, holding 2 patents that showcase his innovative spirit and technical expertise.
Latest Patents
One of his latest patents is for a Low PIM reflector material. This invention discloses a mesh material designed for spacecraft antenna reflectors. The mesh material consists of a dielectric fabric base, onto which a conductive material, such as nickel, is applied. The type and thickness of this conductive material are adjusted to regulate the final conductivity of the reflective surface within a predefined range. This innovation aims to reduce Passive Intermodulation (PIM) while maintaining a high degree of RF reflectivity, with a preferred range of 0.01 to 10 ohms per square. Another significant patent is the Ultralight collapsible and deployable waveguide lens antenna system. This system features a collapsible support structure and a waveguide lens array that includes a plurality of integrally connected tubular waveguide cells. This design focuses transmitted signals onto a satellite signal processing device and is affixed to a mounting surface, ensuring correct positioning when operationally deployed.
Career Highlights
Throughout his career, John has worked with prominent companies such as TRW Limited and Hughes Electronics Corporation. His experience in these organizations has contributed to his development as an inventor and innovator in the field of antenna technology.
Collaborations
John has collaborated with notable individuals in his field, including James L Wolcott and Charles W Chandler. These collaborations have likely enriched his work and contributed to his innovative projects.
Conclusion
John R Bartholomew, III is a distinguished inventor whose work in antenna technology has led to significant advancements. His patents reflect a commitment to innovation and excellence in engineering.