Bryan Washington - Chicago IL, US Bernard Thompson - Chicago IL, US
International Classification:
E03B 5/00 E03B 7/07
US Classification:
137 1504, 137239, 13756512, 13756525
Abstract:
A reverse flow back pressure pump that enables liquid to flow in a reverse direction in plumbing fixtures in order to loosen and discharge sediment freed during the reverse flow.
An approach for creation of an electrical vault cover that is able to generate power that is stored in a battery for use by a heater to maintain the temperature above a minimum in a utility vault.