Did You Know...
...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.
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 |
| 7832455 | Vehicle window security screen system A vehicle window security screen system for providing interior ventilation of a vehicle while maintaining the security of the vehicle. The vehicle window security screen system generally includes a first frame having a first mesh and a second frame having a second m... | 11/16/2010 |
| 7150127 | Partition system A partition system for office spaces generally includes a framework and a plurality of different types of decorative and/or functional tiles mountable to the framework. The framework includes I- and C-shaped vertical frame members which are adjustably joined by uppe... | 12/19/2006 |
| 6886300 | Tensioned fabric storm protection panel A panel (10) for protecting a portion of a structure such as a window (11) includes a frame member (13) made up of four channel members (16-19) interconnected by corner members (20). One end of each channel member (16-19) in... | 05/03/2005 |
| 6708751 | Flexible screen partitions A flexible screen partition that has a plastic frame with top, bottom, left, and right sides surrounding an open interior space. The plastic frame is preferably rectangular and flexible. A wire mesh segment covers the entire interior space of the plastic frame. The ... | 03/23/2004 |
| 6581667 | Debris barrier A removable debris shield and method to internally protect a portion of a vessel, such as a pressure vessel, during fabrication. Pliant material sufficient to span a desired interior portion of the vessel has a hem located around the periphery of the mate... | 06/24/2003 |
| 6474021 | Collapsible barrier A collapsible barrier includes a collapsible frame and a flexible cover that is attached to the frame. The frame may include tubes connected by couplings and an elastic cord. When in use, the barrier may be used as a gate to prevent small children and ani... | 11/05/2002 |
| 6056038 | Retractable barrier A safety barrier comprising a support, a partition frame hingedly connected to the support, and a retractable membrane attached to one end of the partition frame. The partition frame and the support can be extended across an opening, such as a doorway, to... | 05/02/2000 |
| 5704164 | Foldable fence A foldable fence for confining babies includes a plurality of first supporting means, second supporting means, folding means, multiple tubes and supporting rods. The tubes each further have a mid-section with an eccentric member enclosed therein, so that ... | 01/06/1998 |
| 5575113 | Door guard rail structure A guard rail structure includes first and second vertical tubes, two first support members each mounted on one distal end of the first vertical tube, and two second support members each mounted on one distal end of the second vertical tube. Two first fast... | 11/19/1996 |
| 5557870 | T-shirt mounting frame A T-shirt mounting frame consisting of a plurality of corner members having right angle legs with holes in one of the legs and pins in the other of the legs so that four corner members can be assembled with each other to provide a quadrilateral frame, tab... | 09/24/1996 |
| 5414950 | Portable, adjustable blind A portable, adjustable blind for hunters, which blind includes at least one panel characterized by a fixed frame and an adjustable frame telescoping into the fixed frame with camouflaged panels attached to the fixed frame and the adjustable frame for adju... | 05/16/1995 |
| 4825611 | Drapery rod assembly for architectural aperatures A drapery assembly for use in architectural apertures having non-standard sizes and shapes, such as arched windows. The traverse rod portion of the assembly is a flexible, telescopic rod formed from tube sections of synthetic plastic-like material. The ro... | 05/02/1989 |
| 4799422 | Motor vehicle window ventilator A motor vehicle window ventilator is provided which has a frame having a raised central portion to fit into at least a part of the encasement of the motor vehicle window, a fitting member attached to the frame by a resilient member, the fitting member bei... | 01/24/1989 |
| 4195681 | Fly screens for windows A fly screen for windows and doors comprising fly netting extending over one face of a rectangular frame with the marginal edge of the netting located in a recess in the frame and a wedge strip received in the recess over the fly netting to clamp and reta... | 04/01/1980 |
| 4127196 | Adjustable display fixture An adjustable display fixture includes a pair of perforated display panels arranged in overlapping relationship on support structure. The support structure telescopes to change the overlap of the pair of panels so that the effective overall panel height i... | 11/28/1978 |
| 4023326 | Sash having rail with adjusting device A sash or a door has a vertically adjustable top rail by which the vertical size of the door or window is adjusted to suit the opening in a window frame or door frame, there being an adjusting device by which the top rail is selectably positioned. The adj... | 05/17/1977 |
| 3949500 | Adjustable needlepoint holding frame A manually adjustable, open, four-sided frame that may be dimensionally expanded or contracted to support a sheet of fabric on which needlepoint work is being performed in a taut condition.... | 04/13/1976 |
