Location History:
- Maple Plain, MN (US) (1989 - 1992)
- Canaan, NH (US) (1994)
- Lyme, NH (US) (1994)
Company Filing History:
Years Active: 1989-1994
Title: The Innovative Contributions of Eric W. Grald
Introduction
Eric W. Grald is a notable inventor based in Maple Plain, MN (US). He has made significant contributions to environmental control systems, holding a total of 7 patents. His work focuses on improving comfort and efficiency in residential and commercial buildings.
Latest Patents
One of Grald's latest inventions is the Humidistat Reset Control. This environmental control system utilizes the output of a thermostat to estimate outdoor temperatures, which helps eliminate condensation on windows and walls in cold climates. By calculating an acceptable humidity level based on outdoor temperature, the system can adjust the indoor humidity accordingly. The humidistat also allows for manual overrides, giving users flexibility in maintaining desired humidity levels.
Another significant invention is the Error Based Zone Controller. This apparatus and method control temperatures in multiple comfort zones within a building. It employs a series of zone control devices that open or close to regulate heating and cooling. By sensing temperatures in each zone and comparing them to preferred setpoints, the system identifies the zone with the greatest thermal error. This information is used to manage the heating and cooling plant, ensuring all zones are synchronized for optimal comfort.
Career Highlights
Throughout his career, Eric W. Grald has worked with prominent companies such as Honeywell GmbH and the Gas Research Institute. His experience in these organizations has contributed to his expertise in environmental control technologies.
Collaborations
Grald has collaborated with notable individuals in his field, including J. Ward MacArthur and Lorne W. Nelson. These partnerships have likely enhanced his innovative capabilities and broadened his impact on the industry.
Conclusion
Eric W. Grald's contributions to environmental control systems demonstrate his commitment to innovation and improving living conditions. His patents reflect a deep understanding of the challenges faced in maintaining comfort in buildings, making him a valuable figure in the field of invention.
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.