Did You Know...
...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!
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| Application No. | Application Title | Issue Date |
| 20110272404 | Access-Hole Cover for Support Structures An access-hole cover for support structures, such as light poles, highway sign supports and other structures that have access holes providing access to the interior of the structure. The access-hole cover prevents or reduces water and other foreign objects from entering... | 11/10/2011 |
| 20100243090 | MECHANICAL CLEAN-OUT TEST PLUG The present invention provides a test plug for use with a clean-out that extends at an angle from a pipe section of a pipe system. In general, the test plug includes a sealing assembly that is actuated by an actuating member extending at an angle from the sealing assemb... | 09/30/2010 |
| 20100012212 | APPARATUS FOR PRESSURE TESTING A PLUMBING INSTALLATION An apparatus for pressure testing a plumbing installation includes a flexible cylindrical body having a peripheral sidewall, a closed end and an open end. A positioning flange extends outwardly from the peripheral sidewall at the open end to facilitate positioning cylin... | 01/21/2010 |
| 20090114301 | Double Block and Bleed Plug A pipe plug comprised of two, pivotally connected plugging heads, each plugging head having a sealing element, which work in combination to double block and bleed a pipe. The first sealing element prevents flow of product in the pipe and the second sealing element captu... | 05/07/2009 |
| 20090114302 | Double Block and Bleed Plug A pipe plug includes two or more pivotally connected plugging heads that work in combination to double block and bleed a pipe. At least one of the plugging heads has an expandable sealing element that is in communication with an inflation source. The sealing element may... | 05/07/2009 |
| 20090078327 | Combined Pressure, Temperature and Air Vent Device A venting probe insertion chamber that is attached to a uniquely designed port which combines the attributes of a probe insertion chamber along with the ability to vent to atmosphere gasses that are present in piping system. This invention combines the functions of two ... | 03/26/2009 |
| 20090065082 | CLOSURE PLUG A closure plug for bores, including a cylindrical jacket of through hardened steel, whose outer peripheral surface features a toothed design.... | 03/12/2009 |
| 20080253842 | Pipeline Assembly Comprising an Anchoring Device The invention relates to a pipeline assembly (1) and a method of installing a pipeline assembly, wherein the pipeline (10) extends at least in part on a seabed (14) and curves upwardly from the seabed along a curved section (15) thereof, the ... | 10/16/2008 |
| 20080236691 | Lift hole plug A removable plug adapted to seal lifting holes in tubular conduits. The plug includes a cap member having top surface and a bottom surface, the top surface having a cavity therein to facilitate removal, the bottom surface having and a longitudinally extending shaft port... | 10/02/2008 |
| 20080092358 | Tube sheet pressure retaining plug for water tube condensers, power boilers, and heat exchangers The present invention concerns a boiler tube plug, which is used to plug holes left in drum walls after removal of failed boiler tubes in industrial power boilers, condensers, or heat exchangers. The present invention concerns a new and innovative boiler tube sheet plug... | 04/24/2008 |
| 20070277893 | Pipe insert There is provided an insert to be sealingly mounted into a plug hole of a pipe having a sealing area surrounding the plug hole. The insert comprises an internal unit and a fastener. The internal unit and the fastener have corresponding cooperating sealing portions and m... | 12/06/2007 |
