Company Filing History:
4 out of 29,302 
1 out of 1,289 
Years Active: 1987-1996
Title: Gerhard Hotzel: Innovator in Exhaust Gas Measurement Technology
Introduction
Gerhard Hotzel is a notable inventor based in Stuttgart, Germany. He has made significant contributions to the field of exhaust gas measurement technology, holding a total of 5 patents. His work focuses on improving the accuracy and efficiency of oxygen detection in internal combustion engines.
Latest Patents
One of his latest patents is an arrangement for detecting the oxygen content in the exhaust gas of an internal combustion engine. This invention utilizes a concentration measuring cell that operates based on the Nernst principle. The arrangement includes a measuring electrode, a solid electrolyte, and a reference electrode, all connected in a series circuit with a direct voltage source and a series resistor. This setup allows for precise measurement of oxygen concentrations in the exhaust gas compared to a reference gas volume.
Another significant patent is an evaluating arrangement for the signal of a heated amperometric oxygen probe. This probe is mounted in the exhaust gas flow of an internal combustion engine. The invention addresses the challenge of maintaining a constant internal resistance of the probe while compensating for temperature-induced signal increases. By determining the increase in heater voltage through calibration measurements, a corrective value is formed to ensure accurate measurement signals.
Career Highlights
Throughout his career, Gerhard Hotzel has worked with prominent organizations such as Robert Bosch GmbH and the Max Planck Society for the Advancement of Science. His experience in these companies has allowed him to develop and refine his innovative technologies in exhaust gas measurement.
Collaborations
He has collaborated with notable colleagues, including Harald Neumann and Walter Strassner, contributing to advancements in their respective fields.
Conclusion
Gerhard Hotzel's contributions to exhaust gas measurement technology have made a significant impact on the automotive industry. His innovative patents reflect his dedication to improving engine efficiency and environmental standards.
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.