...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.
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| Number | Title | Issue Date |
| 7056270 | Sandwich wall construction for a kit box or easily stored carrying case The present invention is a method and means for making a carrying case from two open topped boxes from sandwich wall construction, where one box will be lid and the other a base. Living hinges connect a floor section to four sidewalls ensuring accurate vertical alig... | 06/06/2006 |
| 6815022 | Laminated structures constructed from adhesively joined sheet material layers One or more sheet material layers in a multi-layer laminated structure is reinforced by adhesive bridges that extend through openings in the layer and tie together the layers on either side of the reinforced layer. A plurality of openings are provided in the layer o... | 11/09/2004 |
| 6689033 | Container forming method and apparatus Disclosed is a new machine for forming containers of the type described in U.S. Pat. No. 5,497,939 without the use of glue or nails. The machine utilizes a mandrel movably mounted on a path for oscillation between retracted and extended positions. As the ... | 02/10/2004 |
| 6386756 | Cup for indicating temperature of contents thereof and method of making A cup for indicating temperature of contents thereof and a method of making. The cup includes a body that is cup-shaped and a temperature sensitive strip that is disposed on the body and indicates the temperature of the contents thereof. The body includes... | 05/14/2002 |
| 6312369 | Container forming method and apparatus Disclosed is a new machine for forming strong, durable and recyclable containers of the type described in U.S. Pat. No. 5,497,939 without the use of glue or nails which are ready to be loaded, closed, stacked and shipped. The machine utilizes a mandrel mo... | 11/06/2001 |
| 6253995 | Insulated containers and sidewalls having laterally extending flutes, and methods An insulated container comprises a sidewall formed with an outer layer, an inner layer, and a fluted layer located between the outer and inner layers. The fluted layer includes elongated flutes extending in a substantially lateral direction around the con... | 07/03/2001 |
| 6126584 | Method for forming a container with corrugated wall A method of forming a paper container uses a three ply corrugated material having at least one inner or outer sheet of paper that may be stretched or compressed circumferentially to permit subsequent rolling of the corrugated material about a mandrel. A f... | 10/03/2000 |
| 6007467 | Method for forming an insulating inner container An improved method for packaging perishable goods comprises an inner insulating container that is quickly and easily formed from a flat sheet of metalized bubble pack material to a finished state that very closely approximates the size and dimensions of t... | 12/28/1999 |
| 5669505 | Disposable serving tray A disposable food serving tray is formed of a single sheet of flat stock material, cut and folded to provide a tray with four upstanding walls for the containment of an article of food therein. The folding pattern provides leakproof corners, precluding le... | 09/23/1997 |
| 5390847 | Fruit and produce container An improved fruit and product container has a bottom and two side walls formed of a common piece of corrugated cardboard and two end walls formed of laminated paperboard attached to the bottom and side walls so as to define a box. The two laminated paperb... | 02/21/1995 |
| 5363981 | Bridged integral liner A carton blank having an integral liner, an erected carton made from the blank and a process for making the carton blank. The integral liner includes portions excised therefrom to reduce paperboard resource and refuse. The blanks are preferably made by cu... | 11/15/1994 |
| 5230689 | Method of making stabilized flexible container for flowable materials A stabilized flexible container for receiving flowable materials includes a top wall, a bottom wall, and a perimeter wall formed from four double layered side walls seamed together along adjacent side edges. The exterior layer of the double layered side w... | 07/27/1993 |
| 4966280 | Multiple-ply anti-static paperboard A multiple-ply anti-static paperboard having a layer of high-carbon content fiberboard sandwiched between two plies of anti-static material, the anti-static material being an anti-static plastic or low-carbon content paperboard. Dividers and pads made of ... | 10/30/1990 |
| 4835944 | Carton nesting apparatus and method An apparatus and method for nesting a carton bottom with an open-sided carton top includes a work surface having a first end and a discharge end, and feed stations along the work surface for feeding the carton bottom and top onto the work surface. A conve... | 06/06/1989 |
| 4795081 | One-piece paperboard carton and telescoping closure member A one-piece paperboard container and closure member telescopically opens and closes and, in the process of opening, reveals hidden matter printed on the container body portion, the closure member automatically frictionally locking onto the container body ... | 01/03/1989 |
| 4623072 | Corrugated container with foldable flaps Multi-layered corrugated containers having at least one flat side, have at least one foldable flap attached at the fold line to the flat side. In the past the fold line has been scored or crushed after the box is formed, and this represents an additional ... | 11/18/1986 |
| 4395253 | Method of making corrugated packages A machine for forming a corrugated package from sheet material including a rotatable corrugation head having a fluted periphery and a front face; corrugating means and sealing means movable into association with the head for corrugating an inner sheet mat... | 07/26/1983 |
| 4174658 | Tray former An improvement in a carton forming mechanism of the type wherein a mandrel is reciprocated through a die assembly to fold the side walls and tabs of an upwardly open carton assembly having perpendicular pairs of side walls. It is designed specifically for... | 11/20/1979 |