Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Application No. | Application Title | Issue Date |
| 20120048386 | System for Contaminant Isolation and Flushing A system for isolating and flushing contaminants in a water supply system is disclosed. The system includes a monitoring and detection subsystem, a communication subsystem, and a flushing subsystem. Components of the system for isolating and flushing contaminants may be... | 03/01/2012 |
| 20110308638 | INFRASTRUCTURE MONITORING DEVICES, SYSTEMS, AND METHODS An infrastructure monitoring system and method include multiple communications devices. At least one communications device is coupled to an element of the infrastructure.... | 12/22/2011 |
| 20100229961 | Outdoor Wall Hydrant Employing Plastic Tubing A hydrant is provided that employs a pipe interconnected to a faucet assembly. The pipe is constructed of a material that is resistant to detrimental affects of corrosion and pitting. Corrosion and pitting of pipes made of copper, as opposed to the plastic material empl... | 09/16/2010 |
| 20100065133 | DEVICE FOR SECURING THE VALVES OF FIRE POSTS USING THE CONTROL TUBE A device for securing a fire hydrant, includes a duct (3), a control pipe (4) having an operation end piece (5) at one end and a valve (7) at the other end capable of supplying the duct (3) with water from the main network, at least on... | 03/18/2010 |
| 20090229679 | VENTED STEAMER PORT CAP ASSEMBLY The present invention relates generally to methods and devices for providing a fire hydrant with a vented steamer port cap assembly to allow air and water to pass through an upper area of a fire hydrant. Various embodiments include hydrants with a vented steamer port ca... | 09/17/2009 |
| 20060207657 | Retrofitting a fire hydrant with secondary valve The present invention relates to methods and devices for retrofitting fire hydrants with additional structure for reducing the potential that those with ill intent can foul municipal water supplies by introducing toxins or other materials into fire hydrants. Various emb... | 09/21/2006 |
| 20060201551 | Breathable fire hydrant rod The present invention relates to methods and devices for providing a fire hydrant actuator rod with additional structure for allowing air to reach the area of a fire hydrant below a secondary valve. Various embodiments include an actuator rod with openings and hollow po... | 09/14/2006 |
| 20060108002 | Fire hydrant with second valve Fire hydrants which feature additional structure for reducing the potential that those with ill intent can foul municipal water supplies by introducing toxins or other materials into fire hydrants. Various embodiments include valves which close off portions of the hydra... | 05/25/2006 |
| 20050115609 | Fire hydrant with a second valve Fire hydrants which feature additional structure for reducing the potential that those with ill intent can foul municipal water supplies by introducing toxins or other materials into fire hydrants. Various embodiments include valves which close off portions of the hydra... | 06/02/2005 |
| 20050067015 | Flushing attachment for hydrant A device and method for automatically flushing hydrants. The device is installed externally to an existing hydrant. The device comprises a nipple having an internally threaded collar for attaching the device to a hydrant outlet, a valve, a control for automatically oper... | 03/31/2005 |
