- Integrating and totalizing meters for gas and liquids (1)
- Gasmeters, domestic and large capacity: industrial (1)
- Totalizing meters, consumption registering (1)
- Water meters (3)
- Mechanical and electromechanical counters and devices (6)
- Counter type registers (1)
- Electromechanical counters (4)
- Linear counters (1)
- Production counters (3)
- Vehicle instruments (1)
- Speedometers (1)
- Tachometer, centrifugal (2)
- Controls, revolution and timing instruments (2)
- Gauges for computing pressure temperature corrections (2)
