Location History:
- Menlo Park, CA (US) (1982)
- Incline Village, NV (US) (1980 - 1986)
- Portola Valley, CA (US) (1976 - 1990)
Company Filing History:
11 out of 1,259 
6 out of 6 
3 out of 19 Years Active: 1976-1990
Title: **Robert Smith-Johannsen: Pioneering Innovations in Conductive Materials**
Introduction
Robert Smith-Johannsen, a prolific inventor based in Incline Village, NV, has made significant contributions to the field of conductive materials with a remarkable portfolio of 22 patents. His inventive spirit has led him to explore innovative solutions in the realm of self-regulating heating technologies, emphasizing the importance of conductive polymers and their applications.
Latest Patents
Smith-Johannsen's latest patents showcase his cutting-edge work in the area of self-limiting conductive extrudates and self-regulating articles. His recent creations include a self-regulating heating article that features two spaced-apart elongate electrodes joined by a melt-extruded element composed of a conductive polymer. This unique polymer consists of a carbon black dispersion in a crystalline matrix, designed to maintain a specific resistivity at room temperature. Furthermore, his layered self-regulating heating article incorporates a layer exhibiting a positive temperature coefficient (PTC) and a constant wattage output layer, functioning efficiently when connected to an electric power source.
Career Highlights
Throughout his career, Smith-Johannsen has worked with renowned companies such as Raychem Limited and Ramu International, where he has honed his skills and applied his innovative mindset. His contributions to these organizations have significantly advanced the field of conductive materials and heating technologies.
Collaborations
During his journey, Smith-Johannsen has collaborated with distinguished colleagues including Bernard J. Lyons and David A. Horsma. These partnerships have allowed for an exchange of ideas and expertise, further propelling the development of novel technologies in their shared field.
Conclusion
In conclusion, Robert Smith-Johannsen stands out as a remarkable inventor whose work continues to influence the landscape of conductive materials. With a wealth of patents and a collaborative spirit, he remains at the forefront of innovation, exploring new horizons in self-regulating technologies.
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.