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Sindelfingen, Germany

Bitzer Kuehlmaschinenbau Gmbh

USPTO Granted Patents = 147

Trademarks = 2

Forward Citations = 1,208

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101 inventors (with patents filed for the assignee):

Ronald J Duppert (21 out of 33 patents)

James William Bush (13 out of 119 patents)

Tihomir Mikulic (9 out of 10 patents)

4. Kurt William Robert Bessel (8 out of 17 patents)

5. Bruce A Fraser (8 out of 30 patents)

6. Dominic Kienzle (8 out of 8 patents)

7. Roni Loerch (7 out of 7 patents)

8. Wayne P Beagle (7 out of 24 patents)

9. Bertram Wipper (7 out of 7 patents)

10. Klaus Ohser (6 out of 6 patents)

11. Dimitri Gossen (5 out of 5 patents)

12. Marcus Blumhardt (5 out of 5 patents)

13. Julian Pfaffl (5 out of 5 patents)

14. Klaus Feller (5 out of 6 patents)

15. Axel Friedrich (5 out of 5 patents)

Core Competencies:

Refrigerant Compressor

Scroll Compressor

Screw Expander

Cooling Circuit

Frequency Converter

Refrigeration System

Control Unit

Gas Discharge Unit

Heat Exchangers

Compressor Unit

Expansion Installation

Lubricant Passage

147 patents: Sort by Forward Citations

1. 12467451 - Refrigerant compressor (2025-11-11),

2. 12313062 - Refrigerant compressor (2025-05-27),

3. D1069847 - Compressor (2025-04-08),

4. 12228040 - Expansion installation and installation for obtaining electrical energy from heat (2025-02-18),

5. 12224687 - Method for selecting a frequency converter for a refrigerant compressor unit (2025-02-11),

6. D1056962 - Compressor (2025-01-07),

7. 12146486 - Refrigerant compressor with stator elastic support (2024-11-19),

8. 12135026 - Scroll machine with injection and refrigeration system (2024-11-05),

9. D1040187 - Compressor (2024-08-27),

10. 12055042 - Screw expander with variable volume controlled by the pressure ratio, and plant for recovering electrical energy from heat with a screw expander (2024-08-06),

11. D1029884 - Compressor (2024-06-04),

12. 11988429 - Control unit for a refrigerant compressor (2024-05-21),

13. 11939978 - Machine for depressurizing or compressing gaseous media (2024-03-26),

14. 11933304 - Scroll compressor including hub lubricant passage (2024-03-19),

15. 11754321 - Refrigeration system (2023-09-12),

BITZER Kuehlmaschinenbau GmbH is a leading global provider of refrigeration and air conditioning technology. With over 80 years of experience, BITZER offers a wide range of products and solutions for all cooling needs. Their innovative compressors, condensing units, and heat exchangers are known for their high quality and energy efficiency. BITZER serves various industries, including HVAC, food refrigeration, industrial cooling, and transport refrigeration.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

147 Patents

#1 in Sindelfingen

#451 in Germany

#5,392 in the World

Sindelfingen, Germany

Bitzer Kuehlmaschinenbau Gmbh

Forward Citations = 1,208

101 inventors:

Ronald J Duppert (21 out of 33 patents)

James William Bush (13 out of 119 patents)

Tihomir Mikulic (9 out of 10 patents)

4. Kurt William Robert Bessel (8 out of 17 patents)

5. Bruce A Fraser (8 out of 30 patents)

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