- Pressure measurement instruments, industrial (2)
- Industrial flow and liquid measuring instruments (1)
- Fluidic devices, circuits, and systems for process control (1)
- Industrial process measurement equipment (1)
- Computer interface equipment, for industrial process control (4)
- Digital displays of process variables (2)
- Infrared instruments, industrial process type (1)
- Programmers, process type (2)
- Water quality monitoring and control systems (1)
- Moisture meters, industrial process type (1)
