Stuttgart, Germany

Walter F Gruber

This inventor holds 4 USPTO granted patents. Top assignee: Hansa Metallwerke Ag. Active years: 1986-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Walter F Gruber. Retrieved from https://idiyas.com/inventor/walter-f-gruber

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 1.1

ph-index = 3

Forward Citations = 314(Granted Patents)


Company Filing History:


Years Active: 1986-1991

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4 patents (USPTO):Explore Patents

Title: Walter F. Gruber: Innovator in Sanitary Technology

Introduction

Walter F. Gruber is a notable inventor based in Stuttgart, Germany. He has made significant contributions to the field of sanitary technology, holding a total of four patents. His innovative designs focus on enhancing the functionality and efficiency of sanitary fittings and valves.

Latest Patents

One of Gruber's latest patents is a sanitary fitting that operates without physical contact. This design incorporates at least one sensor that allows for continuous adjustment of water flow. A pilot-controlled valve, operated by an electric motor, facilitates this adjustment. The motor's output shaft rotation is converted into linear movement by a plunger, which operates a closing device that regulates the water flow through a membrane and valve seat. This design ensures that the membrane reliably follows the closing device's position, allowing for precise control of water flow with minimal power consumption.

Another significant patent is for an electrically operated valve. In this invention, a valve closure member is connected to an expansion member that lifts the closure member from its valve seat when electrically heated. This action clears the path for the flowing medium. Additionally, a cooling member is thermally coupled to the expansion member, allowing for variable response behavior based on the position of a regulating valve. This innovation enhances the efficiency and adaptability of the valve in various applications.

Career Highlights

Walter F. Gruber is associated with Hansa Metallwerke AG, a company known for its expertise in sanitary fittings and related technologies. His work at Hansa Metallwerke AG has allowed him to develop and refine his innovative designs, contributing to the company's reputation in the industry.

Collaborations

Gruber has collaborated with Horst Maag, a fellow innovator in the field. Their partnership has likely fostered the exchange of ideas and advancements in sanitary technology.

Conclusion

Walter F. Gruber's contributions to sanitary technology through his innovative patents demonstrate his commitment to improving efficiency and functionality in this field. His work continues to influence the industry and enhance user experiences with sanitary fittings and valves.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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