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Zurich, Switzerland

Luwa Ag

USPTO Granted Patents = 46

Trademarks = 2

Forward Citations = 263

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47 inventors (with patents filed for the assignee):

Hermann E Gasser (11 out of 26 patents)

Karl Curiger (7 out of 11 patents)

Johann W Ferri (7 out of 7 patents)

4. Hanspeter Sutter (3 out of 3 patents)

5. Peter Novak (3 out of 21 patents)

6. Jerry T Carter (2 out of 3 patents)

7. Walter Bollier (2 out of 3 patents)

8. Josef Rutishauser (2 out of 2 patents)

9. Josef Bruhlmeier (2 out of 3 patents)

10. Hanns Mende (2 out of 2 patents)

11. Hans-Joachim Bittner (2 out of 2 patents)

12. Johann Gruter (2 out of 2 patents)

13. Paolo Di Benedetto (2 out of 2 patents)

14. Armin Schmitt (2 out of 2 patents)

15. Urs B Meyer (1 out of 32 patents)

Core Competencies:

Air Conditioning Control

Fluid Filtration

Textile Machines

Yarn Monitoring

Thermal Treatment

Cleaning Apparatus

Evaporator

Pneumatic Transport

Decontamination

Chemical Reactivity

Textile Fiber Band

Air Quality

46 patents: Sort by Forward Citations

1. 5931376 - Device for air-conditioning control in an air-conditioned room having (1999-08-03),

2. 5666996 - Forced air cleaning system for textile machines (1997-09-16),

3. 5651802 - Fluid filter for separating entrained particulate matter from a moving (1997-07-29),

4. 5472018 - Air conditioning of a weaving machine with displacement type air flow (1995-12-05),

5. 5453117 - Fluid filter and method of separating entrained particulate matter from (1995-09-26),

6. 4900179 - Mounting cross-piece assembly and mounting cross-piece thereof (1990-02-13),

7. 4768443 - Working apparatus, especially a cleaning apparatus used in conjunction (1988-09-06),

8. 4693904 - Process for sterilizing a cocoa paste (1987-09-15),

9. D288476 - Gas filter (1987-02-24),

10. 4557956 - Deformable container with filler unit (1985-12-10),

11. 4446781 - Apparatus for the mechanical/thermal treatment, including sterilization (1984-05-08),

12. 4408893 - Motionless mixing device (1983-10-11),

13. 4389931 - Apparatus for the compaction of fibers (1983-06-28),

14. 4382401 - Air distribution apparatus, especially for oversaturated air (1983-05-10),

15. 4361006 - Spinning frame (1982-11-30),

Luwa AG, headquartered in Zurich, Switzerland, specializes in advanced technologies for air conditioning control and fluid filtration systems. The company is recognized for its innovative solutions in forced air cleaning and textile machine sterilization, contributing to enhanced operational efficiency in various industrial applications. Additionally, Luwa focuses on mechanical thermal treatment and pneumatic transport, alongside yarn monitoring technologies, positioning itself as a key player in the textile and manufacturing sectors.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

46 Patents

#22 in Zurich

#313 in Switzerland

#15,085 in the World

Zurich, Switzerland

Luwa Ag

Forward Citations = 263

47 inventors:

Hermann E Gasser (11 out of 26 patents)

Karl Curiger (7 out of 11 patents)

Johann W Ferri (7 out of 7 patents)

4. Hanspeter Sutter (3 out of 3 patents)

5. Peter Novak (3 out of 21 patents)

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