Protected Products
The following JohnDow Industries products are covered by this patent.
| Product Name / Description | Patent Number(s) | Status |
|---|---|---|
| Centralized Fluid Evacuation System | US US 12,454,900 B2 | Granted |
A system for evacuating fluid from a reservoir including a vacuum source and a fluid extraction apparatus comprising an extraction device and a collection vessel assembly. The assembly includes a collection vessel, an extraction inlet, a vacuum source valve, a drain valve, and a mechanical interconnection between the two valves allowing single-action switching between vacuum extraction and gravity drain states.
3 Total Claims
A collection vessel assembly for receiving a fluid, comprising: a collection vessel; a vacuum source valve in fluid communication with the collection vessel; a drain valve in fluid communication with the collection vessel; and an interconnection between the vacuum source valve and the drain valve configured to operate both valves in a plurality of interconnected states.
A system for evacuating fluid from a reservoir, comprising a vacuum source and a fluid extraction apparatus including an extraction device and the collection vessel assembly of claim 1, further comprising an extraction inlet in fluid communication with the extraction device, wherein the vacuum source valve is in fluid communication with the vacuum source and the drain valve is in fluid communication with an outlet.
A collection vessel assembly wherein the interconnection is a mechanical interconnect comprising: a vacuum source valve extension; a drain valve extension; a vertical extension attached to both; a handle portion configured to operate the interconnect in each of the plurality of interconnected states.
Claims 2–5, 7–11, and 13–19 cover dependent configurations including structural details, valve timing and staggering, backflow prevention, cylindrical vessel geometry, reinforcement members, and pneumatic/electronic actuation variants.
CPC / IPC Classification
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