Company Filing History:
Years Active: 1994-1997
Title: The Innovations of David A Lehr
Introduction
David A Lehr is a notable inventor based in Medina, Ohio, with a focus on advancements in carbon electrode technology. He holds three patents that showcase his innovative contributions to the field. His work primarily revolves around the development of specialized furnace apparatuses and cooling systems for carbon materials.
Latest Patents
One of Lehr's latest patents is the "Apparatus for lengthwise graphitization (LWG) of carbon electrode bodies." This invention provides a furnace apparatus and method for the lengthwise graphitization of carbon bodies, utilizing U-shaped metal furnace sections mounted on stationary rib supports. These sections contain carbon electrode bodies and surrounding thermally insulating pack material. The design includes vertical flues between parallel rows of U-shaped metal furnace sections to accelerate the cooling of graphitized electrode bodies. Additionally, water droplets can be sprayed on the metal furnace sections to enhance cooling efficiency.
Another significant patent is the "Modular spray cooled side-wall for electric arc furnaces." This invention features a spray cooled side-wall assembly for an electric arc furnace, consisting of individual spray cooled segments that are joined together to form a furnace side-wall. Some segments can be arch-shaped and surround a spray cooled sub-assembly, addressing conditions of high thermal stress effectively.
Career Highlights
David A Lehr has made substantial contributions to Ucar Carbon Technology Corporation, where he applies his expertise in carbon technology. His innovative designs and patents have positioned him as a key figure in the development of advanced furnace systems.
Collaborations
Lehr has collaborated with notable colleagues, including Gordon R Roberts and Mark T Arthur, who have contributed to his projects and innovations in the field.
Conclusion
David A Lehr's work exemplifies the spirit of innovation in carbon technology, with his patents reflecting significant advancements in the industry. His contributions continue to influence the development of efficient and effective furnace systems for carbon materials.