Wil, Switzerland

Fredi Widmer

This inventor holds 2 USPTO granted patents. Top assignees: Hart Chemical Limited, Unilever Patent Holdings B.v.. Active years: 1984-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fredi Widmer. Retrieved from https://idiyas.com/inventor/fredi-widmer

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


% Patents Active = 100.0

Average Co-Inventor Count = 1.0

ph-index = 2

Forward Citations = 29(Granted Patents)


Company Filing History:


Years Active: 1984-1993

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2 patents (USPTO):Explore Patents

Title: Fredi Widmer: Innovator in Liquid Detergent Dispensing Technology

Introduction

Fredi Widmer is a notable inventor based in Wil, Switzerland. He has made significant contributions to the field of liquid detergent dispensing technology. With a focus on creating efficient and user-friendly devices, Widmer has secured a total of 2 patents throughout his career.

Latest Patents

One of Widmer's latest inventions is a dispensing device for liquid detergent. This innovative device features a rechargeable dispenser that includes a removable cartridge and a housing equipped with a dosing chamber. The dosing chamber is coupled to a pump that can be manually operated through a rack and pinion system. The design allows for the cartridge to securely hold a pouch containing the liquid detergent, ensuring a non-leaking connection between the detergent and the dosing chamber. This dispenser is particularly effective for accurately dosing concentrated liquid detergent products intended for hard surface cleaning.

Career Highlights

Throughout his career, Fredi Widmer has demonstrated a commitment to innovation in the cleaning products industry. His work has led to advancements that enhance the efficiency and effectiveness of liquid detergent dispensing.

Collaborations

Widmer has collaborated with several prominent companies, including Unilever Patent Holdings B.V. and Hart Chemical Limited. These partnerships have allowed him to further develop his inventions and bring them to market.

Conclusion

Fredi Widmer's contributions to liquid detergent dispensing technology highlight his innovative spirit and dedication to improving everyday products. His patents reflect a deep understanding of user needs and a commitment to enhancing product functionality.

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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