Quotables
"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 4929155 | Method and apparatus for creating a secondary source of power by a pump Apparatus (42, 72) is used to fill a hose (36) with water (12), from which a secondary source of power is derived, and simultaneously to expel air from the hose while connected to the vacuum side of a pump (20) without loss of the prime in the pump. The a... | 05/29/1990 |
| 4808081 | Hose air purging, pump anti-depriming method and apparatus Apparatus (42, 72) for filling a hose (36) with water (12) and simultaneously for expelling air from the hose while connected to the vacuum side of a pump (20) in preparation for cleaning debris from a swimming pool (10) without loss of the prime in the p... | 02/28/1989 |
| 4567319 | Lightweight current-carrying hose One or more electric conductors (36, 236) in a flexible hose (10, 210) are protected from tensile and compressive forces exerted on or by the hose by providing an enclosure (32, 232) for the conductor(s) whose radial dimension (46, 246) provides a path fo... | 01/28/1986 |
| 4383555 | Helically wound hose from co-extruded profile with reinforcing ribs interlocked at adjacent convolutions A flexible hose having resistance to radial crush is formed from a bonded and interlocked helically wound rod or strip of plastic co-extrusion. The co-extruded profile of the strip is defined by a pair of matable rib components which are joined by a web. ... | 05/17/1983 |
| 4345805 | Self-sealing vacuum hose swivel fitting A fitting (10) secures a vacuum hose (20) to a wand or tank of a vacuum cleaner. The hose is swivelably and pneumatically sealed within the fitting through use of a sealing surface (18) on the fitting in engagement with a flexible lip (28) at the end port... | 08/24/1982 |
| 4310946 | Electromagnetic energy-carrying tube and fabrication method therefor, and the combination thereof with suction cleaning apparatus The hose, which is particularly adapted for use with an electrically-driven vacuum cleaning apparatus, comprises a substantially air-tight, flexible tube which is pneumatically coupled between the vacuum pump and the suction head. The suction hose compris... | 01/19/1982 |
