For the Inventor, By the Inventor

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Zurich, Switzerland

Luwa Ag

USPTO Granted Patents = 46

Trademarks = 3

Forward Citations = 254

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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

Forced Air Cleaning

Fluid Filtration

Textile Machine Sterilization

Mechanical Thermal Treatment

Pneumatic Transport

Thermal Treatment

Yarn Monitoring

Textile Fiber Processing

Gas Filtration

Deformable Containers

Air Quality Management

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 is a leading global provider of sustainable solutions in the air handling and textile engineering industry. With over 165 years of experience, LUWA offers state-of-the-art technologies for air purification, air conditioning, and filtration systems. The company specializes in delivering energy-efficient and eco-friendly solutions for various industries, including textiles, automotive, pharmaceuticals, and more. LUWA's comprehensive product portfolio and expertise in air engineering enable them to design and implement tailor-made solutions that meet the highest quality standards.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

46 Patents

#26 in Zurich

#299 in Switzerland

#14,685 in the World

Zurich, Switzerland

Luwa Ag

Forward Citations = 254

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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