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Niederweningen, Switzerland

Bucher-guyer Ag Maschinenfabrik

USPTO Granted Patents = 39

CIPO Patents = 3

Forward Citations = 305

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14 inventors (with patents filed for the assignee):

Eduard Hartmann (14 out of 34 patents)

Walter Gresch (7 out of 11 patents)

Hans U Hauser (7 out of 9 patents)

4. Hans-Ulrich Hauser (4 out of 4 patents)

5. Alexander Chara (2 out of 2 patents)

6. Alfred Schmid (2 out of 2 patents)

7. Klaus Schnellmann (1 out of 3 patents)

8. Heinz Zullig (1 out of 2 patents)

9. Dieter Pinnow (1 out of 1 patent)

10. Walter Gresch, Deceased (1 out of 1 patent)

11. Walter Kilchenmann (1 out of 1 patent)

12. Hans U Huaser (1 out of 1 patent)

13. Werner Fenner (1 out of 1 patent)

14. Jean-Pierre Amstutz (1 out of 4 patents)

39 patents: Sort by Forward Citations

1. 5693229 - Process and apparatus for thickening of solid liquid mixtures by means (1997-12-02),

2. 5616357 - Process and apparatus for separating solid and liquid portions of (1997-04-01),

3. 5613434 - Method for controlling or regulating the pressing pressure for the (1997-03-25),

4. 5582100 - Drainage apparatus for presses for separating liquids from solids (1996-12-10),

5. 5579683 - Method for supplying material for pressing to a filter press (1996-12-03),

6. 5510125 - Process for selective removal of sugar from beverages (1996-04-23),

7. 5496577 - Process for the production of a low-sugar, alcohol-free beverage (1996-03-05),

8. 5401409 - Tubular knitted filter cover and process for preventing runs (1995-03-28),

9. 5361691 - Draining element for presses (1994-11-08),

10. 5355790 - Diaphragm of a press intended for separating liquid and solid materials (1994-10-18),

11. 5252350 - Process for clarifying liquids, particularly raw juice (1993-10-12),

12. 5231922 - Process for control of extraction of juice from organic products (1993-08-03),

13. 5176074 - Membrane of a press for the separation of liquid and solid materials (1993-01-05),

14. 5130022 - Drainage element for presses (1992-07-14),

15. 5112489 - Process and unit for clarification of liquids (1992-05-12),

Bucher-Guyer AG Maschinenfabrik is a leading global provider of innovative machinery and solutions for the glass industry. With over 150 years of experience, Bucher-Guyer AG is committed to delivering high-quality products and technological advancements in glass forming, glass conditioning, and glass inspection systems. Their state-of-the-art equipment and systems cater to various sectors, including container glass, tableware, pharmaceutical glass, and specialty glass. For more information about their offerings and expertise, visit their website.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 16 2025

39 Patents

#2 in Niederweningen

#337 in Switzerland

#16,936 in the World

Niederweningen, Switzerland

Bucher-guyer Ag Maschinenfabrik

Forward Citations = 305

14 inventors:

Eduard Hartmann (14 out of 34 patents)

Walter Gresch (7 out of 11 patents)

Hans U Hauser (7 out of 9 patents)

4. Hans-Ulrich Hauser (4 out of 4 patents)

5. Alexander Chara (2 out of 2 patents)

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