All Patents in class 251/118 |
Patents 1 -
8
of 8
      |
Number | Title | Classification(s) |
127,768 | Improvement in stop-valves for water-pipes | 137/625.33, 251/118 |
391,916 | Steam-engine | 137/625.48, 251/118 |
927,434 | Air-heater for compressed-air engines | 251/118, 251/74, 60/39.091, 60/39.823, 60/722 |
1,032,482 | Safety Valve | 137/472, 137/478, 137/543.23, 251/118 |
2,051,509 | Valve | 251/118, 251/333 |
2,753,884 | Fuel filling adapter | 137/219, 137/322, 137/542, 137/614.02, 141/349, 251/118 |
2,792,015 | Liquid relief valve | 137/469, 251/118 |
2,903,234 | Timed Valve with Cam Actuator | 251/118, 251/263, 251/36, 251/50, 74/56, 91/417R, 91/47 |