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Niederweningen, Switzerland

Bucher Guyer Ag

USPTO Granted Patents = 41

% Expired Patents = 4.9

CIPO Patents = 7

Trademarks = 1

Forward Citations = 236

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21 inventors (with patents filed for the assignee):

Eduard Hartmann (19 out of 34 patents)

Walter Gresch (4 out of 11 patents)

Willy Vogt (4 out of 4 patents)

4. Jean-Pierre Amstutz (3 out of 4 patents)

5. Alfred Schmid (2 out of 2 patents)

6. Daniel Moser (1 out of 10 patents)

7. Roland Bisig (1 out of 3 patents)

8. Richard Von Holzen (1 out of 4 patents)

9. Dieter Pinnow (1 out of 1 patent)

10. Mathias Binder (1 out of 1 patent)

11. Max Keller (1 out of 1 patent)

12. Sead Veletovac (1 out of 4 patents)

13. Ruedi Jossi (1 out of 2 patents)

14. Giuliano Rosa (1 out of 1 patent)

15. Hubert Haussler (1 out of 1 patent)

Core Competencies:

Membrane Module

Filtration Apparatus

Cross-Flow Filtration

Organic Substances

Hydraulic Lift Control

Drying Cabinet

Comminuting Device

Separation Processes

Soil-Working Tools

Mold Production

Press Drainage

Cleaning Device

41 patents: Sort by Forward Citations

1. 7448317 - Method for the operation of a filter press comprising a ram (2008-11-11),

2. 7328522 - Drying cabinet comprising a cleaning device (2008-02-12),

3. 6863813 - Membrane module (2005-03-08),

4. 6745964 - Apparatus for comminuting organic substances (2004-06-08),

5. 6655615 - Device for mincing organic substances (2003-12-02),

6. 6598907 - Quick coupling device for tubular components (2003-07-29),

7. 6530315 - Diaphragm of a diaphragm press for separating liquid and solid substances (2003-03-11),

8. 6495046 - Filtration apparatus and methods (2002-12-17),

9. 6375847 - Method for operating a cross-flow filtration installation (2002-04-23),

10. 6286663 - Conveyor device (2001-09-11),

11. 6210576 - System for cross-flow membrane filtration (2001-04-03),

12. 6203707 - Membrane module for a membrane separation system, its use and process for producing the same (2001-03-20),

13. 6142259 - Method and device for controlling a hydraulic lift (2000-11-07),

14. 6113791 - Process for flushing the filtration modules of a unit for clarifying (2000-09-05),

15. 6083390 - System for membrane filtration in a cross stream process (2000-07-04),

Company Overview

Bucher Guyer AG, headquartered in Niederweningen, Switzerland, specializes in advanced technologies for various industrial applications. The company focuses on developing and manufacturing solutions in filter press systems, membrane filtration, and hydraulic lift control. Additionally, it offers expertise in organic substance comminution, quick coupling devices, and drying cabinet technology. Bucher Guyer AG also plays a significant role in soil working machinery and liquid clarification processes, contributing to enhanced efficiency and sustainability in these sectors.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

41 Patents

#1 in Niederweningen

#340 in Switzerland

#16,706 in the World

Niederweningen, Switzerland

Bucher Guyer Ag

Forward Citations = 236

21 inventors:

Eduard Hartmann (19 out of 34 patents)

Walter Gresch (4 out of 11 patents)

Willy Vogt (4 out of 4 patents)

4. Jean-Pierre Amstutz (3 out of 4 patents)

5. Alfred Schmid (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Bucher Guyer Ag. Retrieved from https://idiyas.com/company/bucher-guyer-ag

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

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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