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Milwaukee, WI, United States of America

Vilter Manufacturing LLC

USPTO Granted Patents = 41

EPO Patents = 4

Trademarks = 11

Forward Citations = 651

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27 inventors (with patents filed for the assignee):

Erich J Kocher (15 out of 15 patents)

Paul G Szymaszek (10 out of 14 patents)

Jean-Louis Picouet (7 out of 14 patents)

4. Robert J Schintgen (3 out of 3 patents)

5. Luc Langouet (2 out of 2 patents)

6. Robert C Hikade (2 out of 2 patents)

7. Francis T Pallanch (2 out of 2 patents)

8. John K Kopp (2 out of 2 patents)

9. Girish Natvarlal Mevada (1 out of 1 patent)

10. Pruthviraj Nagnath Pawar (1 out of 1 patent)

11. Steven M Cihlar (1 out of 1 patent)

12. David H Anderson (1 out of 1 patent)

13. Wayne F Wehber (1 out of 1 patent)

14. Walter F Teeter (1 out of 1 patent)

15. Dominique D Monney (1 out of 1 patent)

Core Competencies:

Single Screw Compressor

Dual Slide Valve

Compressor Efficiency

Oil Separation

Heat Exchanger

Vibration Reduction

Refrigeration System

Evaporative Condenser

Thrust Balancing

Liquid Level Control

Multi-Stage Compressor

Electronic Control

41 patents: Sort by Forward Citations

1. 11530702 - High suction pressure single screw compressor with thrust balancing load using shaft seal pressure and related methods (2022-12-20),

2. 11378318 - Cascade system for use in economizer compressor and related methods (2022-07-05),

3. 11339995 - Dual cascade heat exchanger refrigeration system and related method of operation (2022-05-24),

4. 11136978 - High suction pressure single screw compressor with thrust balancing load using shaft seal pressure and related methods (2021-10-05),

5. 11054178 - Crankcase oil separation for high pressure reciprocating compressors (2021-07-06),

6. 9163634 - Apparatus and method for enhancing compressor efficiency (2015-10-20),

7. 9057373 - Single screw compressor with high output (2015-06-16),

8. 7891955 - Compressor having a dual slide valve assembly (2011-02-22),

9. 7011183 - Suction oil injection for rotary compressor (2006-03-14),

10. 5207568 - Rotary screw compressor and method for providing thrust bearing force (1993-05-04),

11. 5183395 - Compressor slide valve control (1993-02-02),

12. 5085518 - Bearing and seal assembly (1992-02-04),

13. 4974422 - Evaporative condenser with fogging nozzle (1990-12-04),

14. 4945941 - Means to reduce vibration in check valves and stop/check valves caused (1990-08-07),

15. 4923173 - Seating seal means for disc-type valve (1990-05-08),

Vilter Manufacturing LLC, based in Milwaukee, WI, specializes in advanced refrigeration and compressor technologies. The company is known for its innovative solutions in single screw compressors and dual cascade heat exchangers, focusing on enhancing compressor efficiency and oil separation. Vilter's expertise extends to rotary screw compressors, vibration reduction techniques, and slide valve assemblies, making it a key player in the refrigeration system industry. Their commitment to engineering excellence supports various applications across commercial and industrial sectors.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

Vilter Manufacturing LLC

41 Patents

#42 in Milwaukee, WI

#213 in Wisconsin

#8,433 in US

#16,686 in the World

Milwaukee, WI, United States of America

Vilter Manufacturing LLC

Forward Citations = 651

27 inventors:

Erich J Kocher (15 out of 15 patents)

Paul G Szymaszek (10 out of 14 patents)

Jean-Louis Picouet (7 out of 14 patents)

4. Robert J Schintgen (3 out of 3 patents)

5. Luc Langouet (2 out of 2 patents)

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