Quotables
"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7350306 | Easy stairs Easy Stairs is an L-shaped device having a diagonal sliding rod attached to the two sides. Connectors with locking devices allow the diagonal rod to firmly affix to the sides at various locations. To use Easy Stairs, a user adjusts the diagonal rod along the edge of... | 04/01/2008 |
| 7302361 | Modular telecommunication test unit A test unit for data communication networks is formed by placing one or more application modules between a front module and a rear module. The modules are secured together with a latching system and a bus structure provides for control and performance information tr... | 11/27/2007 |
| 7210240 | Posture and body movement measuring system A sensing device is attached to a living subject that includes a first sensors for distinguishing lying, sitting, and standing positions. In another embodiment, sensor data is stored in a storage device as a function of time. Multiple points or multiple intervals of... | 05/01/2007 |
| 7197833 | Framing square jig A tool for holding a framing square has a body with a pair of spaced longitudinal slots accommodating the flat legs of the framing square. Clamping devices mounted on the body clamp the body on the legs of the framing square to fix the position of the framing square... | 04/03/2007 |
| 7178377 | Inclination sensor An inclination sensor is provided with a main body fixed to a vehicle, a pendulum supported by the main body so as to swing in response to an inclination of the vehicle, and a magnetic sensor that senses the inclination of the pendulum in order to detect as to wheth... | 02/20/2007 |
| 7142952 | Method and apparatus for pavement cross-slope measurement Pavement cross-slope is measured at highway speeds by mounting a ring-laser gyroscope on a vehicle and measuring deviation of the transverse slope of the vehicle. Precise laser distance measuring devices are mounted transversely with respect to the vehicle at signif... | 11/28/2006 |
| 7047659 | Multi-task promotional apparatus A promotional apparatus includes a housing having first and second openings and an elongated slot formed therein. A first measuring tape is disposed within the housing, and is retractably extendable from the housing via the first opening. A second measuring tape is ... | 05/23/2006 |
| 6954990 | Angle measuring device A measuring device is provided for carpenters, roofers and other tradesmen. The device is made of relatively lightweight plastic and has a variety of uses. The elongated base is rectangular in cross sectional and includes a scale for measuring distances along one si... | 10/18/2005 |
| 6834436 | Posture and body movement measuring system A sensing device is attached to a living subject that includes a first sensors for distinguishing lying, sitting, and standing positions. In another embodiment, sensor data is stored in a storage device as a function of time. Multiple points or multiple intervals of... | 12/28/2004 |
| 6490060 | Lightweight holographic sight A lightweight contact holographic sight includes a housing and a base which form a compartment containing a laser diode, an associated power source, and optical elements including a mirror, an off axis collimator, a reflection grating, and an image hologr... | 12/03/2002 |
| 5440923 | Drivable slope-sensitive unit for measuring curvature and crossfall of ground surfaces A method and an apparatus for measuring the curvature and the slope of ground surfaces in two different directions are disclosed. Use is made of a drivable slope-sensitive unit which emits electric signals relating to the crossfall, the hilliness, the hor... | 08/15/1995 |
| 5174035 | Attitude sensing apparatus An attitude sensing apparatus for detecting a tilt angle and an azimuth angle of the tilt of a structure includes a pair of detecting devices disposed on the structure at right angles to each other. Each of the detecting devices consists of a rotary shaft... | 12/29/1992 |
| 4754553 | One-man field survey instrument A one-man field survey instrument for conducting small scale engineering surveys. The instrument automatically measures relative vertical and horizontal angles as it is moved over the terrain. The measurements are thereafter processed to prepare a topogra... | 07/05/1988 |
| 3975831 | Directing instrument A directing instrument for control of the inclination of the drill post of a drilling apparatus comprising means for sensing the inclination of the post in two directions at right angles to one another. Said means being supported by a holder arranged to b... | 08/24/1976 |
