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Flawil, Switzerland

Buchi Labortechnik Ag

USPTO Granted Patents = 15

% Expired Patents = 13.3

EPO Patents = 9

Trademarks = 2

Forward Citations = 91

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29 inventors (with patents filed for the assignee):

Arthur Spring (6 out of 8 patents)

Ruedi August Müller (3 out of 3 patents)

Marco Sanwald (2 out of 2 patents)

4. Rafael Caviezel (2 out of 2 patents)

5. Mostafa Medhat (1 out of 16 patents)

6. Bassem Mortada (1 out of 19 patents)

7. Yasser M Sabry (1 out of 23 patents)

8. Mina Gad Seif (1 out of 3 patents)

9. Erwin Bossart (1 out of 7 patents)

10. Angelo Talamona (1 out of 1 patent)

11. Roman Bossart (1 out of 1 patent)

12. Jörg Grabinski (1 out of 1 patent)

13. Bassam Amanallah Saadany (1 out of 27 patents)

14. Richard Widmer (1 out of 1 patent)

15. Rudolf Solenthaler (1 out of 1 patent)

15 patents: Sort by Forward Citations

1. 12540849 - Handheld optical spectroscopy scanner (2026-02-03),

2. D941977 - Rotary evaporator (2022-01-25),

3. D940290 - Rotary evaporator (2022-01-04),

4. D748232 - Rotary evaporator (2016-01-26),

5. 6896011 - Device and process for filling a column with a filler material (2005-05-24),

6. 6709025 - Vapor lead-through system for a rotary evaporator, and a rotary evaporator (2004-03-23),

7. 6480795 - Automatic calibration method (2002-11-12),

8. 6276729 - Connection element for connecting neighboring connection sections on tubes and/or container openings, in particular on laboratory apparatus (2001-08-21),

9. 5876190 - Vacuum membrane pump and a head portion for a vacuum membrane pump (1999-03-02),

10. 5776317 - Extractor for soxhlet solid-liquid extraction (1998-07-07),

11. 5759356 - Evaporator flask for a rotary evaporator (1998-06-02),

12. D387176 - Evaporator flask for a rotary evaporator (1997-12-02),

13. 5665602 - Method for the determination of the fat content of samples, preferably (1997-09-09),

14. 5580007 - Device and method for reducing in size and mixing of material (1996-12-03),

15. 5536374 - Evaporator flask for a rotary evaporator (1996-07-16),

Büchi Labortechnik AG is a leading provider of laboratory equipment and solutions, specializing in the development and manufacturing of high-quality instruments for various applications. The company focuses on areas such as evaporation, extraction, and drying technologies, catering to industries including pharmaceuticals, food, and environmental analysis. With a strong emphasis on innovation and precision, Büchi supports researchers and scientists globally in achieving reliable results and enhancing productivity in their laboratories.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

15 Patents

#1 in Flawil

#804 in Switzerland

#39,846 in the World

Flawil, Switzerland

Buchi Labortechnik Ag

Forward Citations = 91

29 inventors:

Arthur Spring (6 out of 8 patents)

Ruedi August Müller (3 out of 3 patents)

Marco Sanwald (2 out of 2 patents)

4. Rafael Caviezel (2 out of 2 patents)

5. Mostafa Medhat (1 out of 16 patents)

Please report any incorrect information to [email protected]

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