Category:Derrick Lepak of Onalaska WI (US)

Derrick Lepak of Onalaska WI (US)

Executive Summary

Derrick Lepak of Onalaska WI (US) is an inventor who has filed 2 patents. Their primary areas of innovation include ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS (engines (1 patents), REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS (1 patents), ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS (engines (1 patents), and they have worked with companies such as TRANE INTERNATIONAL INC. (2 patents). Their most frequent collaborators include (2 collaborations).

Patent Filing Activity

Technology Areas

List of Technology Areas

• F04C2/025 (ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS (engines): 1 patents
• F25B31/026 (REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS): 1 patents
• F04C2230/60 (ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS (engines): 1 patents
• F04C2240/30 (ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS (engines): 1 patents
• F24F13/20 (AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING (removing dirt or fumes from areas where they are produced): 1 patents
• F04C18/0215 (ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS (engines): 1 patents
• F04C18/0261 (ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS (engines): 1 patents
• F04C29/0007 (Component parts, details or accessories of pumps or pumping installations, not provided for in groups): 1 patents
• F04C2210/10 (ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS (engines): 1 patents
• F04C2230/602 (ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS (engines): 1 patents
• F24F2013/202 (AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING (removing dirt or fumes from areas where they are produced): 1 patents

Companies

List of Companies

• TRANE INTERNATIONAL INC.: 2 patents

Collaborators

• Scott J. Smerud of La Crosse WI (US) (2 collaborations)