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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| Number | Title | Issue Date |
| 7437828 | Siding adjustable angle installation apparatus The present invention comprises an apparatus and method for accurately and safely cutting residential siding members. A specialized tool and saw guide system comprise two hingedly connected plates to securely hold and balance the siding member during the cutting pro... | 10/21/2008 |
| 7322252 | Apparatus for taking measurements in access manholes An apparatus for measuring the location and annular orientation of pipe inverts and other features in manholes. An elongate, telescoping rod is supported centrally in the manhole opening by a pivot assembly that permits the rod to both rotate in the horizontal plane... | 01/29/2008 |
| 7269909 | Rafter layout tool A rafter layout tool for facilitating the layout of ridge cut, bird's mouth, seat cuts, fascia and soffit for the common hip, valley rafter cuts comprising a protractor member, measurement indicator arm and 90 degree arm and move up and down and side to side for dif... | 09/18/2007 |
| 7165333 | Template and method of fabricating rafters A template and method for fabricating rafters. The template including a U-shaped component including a first arm with a slot, a second arm with a slot, and a base perpendicular to and connecting the first and second arms. The template also including an adjustable ma... | 01/23/2007 |
| 7080462 | Structural framework detailing tool A structural detailing tool including relatively movable first and second blades disposed at right angles to one another and both incorporating straight edges used as tracing guides. Lock structure is employed to lock the blades in different relative positions and a... | 07/25/2006 |
| 6907671 | Equisect span divider The present invention provides a measurement apparatus particularly suited for layout work. More specifically, the present invention is useful for taking a single measurement of a span or object, dividing the measured length into a desired number of equal segments, ... | 06/21/2005 |
| 6591511 | Framing square An improved framing square having integral features for automating the marking and cutting of angles. The square contains two sliding carriages--one in the body and one in the blade. Each carriage has a deployable pin. In order to set an angle, the user f... | 07/15/2003 |
| 6293028 | Construction tool and method of use A construction tool and method for its use in laying out stud marks. The tool is adjustable and is especially suited for laying out stud marks on a rafter of a pitched roof so as to be aligned with the corresponding stud marks on a sill beneath the rafter... | 09/25/2001 |
| 6098302 | Rafter template A template system for rafters for roof construction includes a plurality of individual templates, each dedicated to a single roof pitch. Each template is formed from a plastic material to have a base and a flange attached to the base by a living hinge for... | 08/08/2000 |
| 5758428 | Rafter measuring and positioning template and method A rafter measuring and positioning template and method provides a device and method wherein a telescoping pole has rotatably and swivelably mounted on one end thereof a pad having a slide plate for juxtaposition to a ridge board, and, on the other end, a ... | 06/02/1998 |
| 5384967 | Collapsible rafter square A square is disclosed which is especially adapted for the marking of angular dimensions on, or the transfer of angular dimensions from, rafters or other building materials and the like in that only one adjustment is needed to vary the angle being marked o... | 01/31/1995 |
| 4553333 | System for producing precision measurements of wing ribs A system for producing precise angular measurements in order to accurately configure an object, such as a wing rib, to be fit within a cavity, such as a wing. This system includes a device for measuring the interior angular measurements of the sides of th... | 11/19/1985 |
| 4462166 | Device for measuring lengths and conforming angles A telescoping measuring rafter gauge comprising two telescoping members with locking devices. Further comprising two sliding pitch locating plates with tightening devices, where said pitch locating plates fit flush against a center ridge pole or hip rafte... | 07/31/1984 |
