Daniel R. Crum

5 Patents

• US121464942024

  Multi-stage Compressor Having Interstage Lubricant Injection via an Injection Rod

  Ingersoll-rand Industrial U.S., Inc.

  0 cites
• US121170012024

  Screw Compressor with Oil Injection at Multiple Volume Ratios

  Ingersoll-rand Industrial U.S., Inc.

  0 cites
• US118521452023

  Rotary Compressors with Variable Speed and Volume Control

  Trane International, Inc.

  0 cites
• US117815472023

  Multi-stage Compressor Having Interstage Lubricant Injection via an Injection Rod

  Ingersoll-rand Industrial U.S., Inc.

  0 cites
• US117327152023

  Screw Compressor with Oil Injection at Multiple Volume Ratios

  Ingersoll-rand Industrial U.S., Inc.

  0 cites