With Flow Control Means For Branched Passages Patents (Class 137/861)
- For valve having a flexible diaphragm valving member (Class 137/863)
- For valve having a ball head (Class 137/864)
- With gearing (Class 137/865)
- Threaded actuator (Class 137/866)
- Pivoted or rotary motion converted to reciprocating valve head motion (Class 137/867)
- Having fluid actuator (Class 137/869)
- With electrical actuation (Class 137/870)
- Spring biased (Class 137/871)