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"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| 4180224 | Aerial dispersal system A series of dispersal nozzles is placed along the wing of an airplane near the hinge line of its edge flap which extends virtually from wing-root to wing-tip and is made up of numerous individual spanwise flap segments. Adjacent flap segments deflect in o... | 12/25/1979 |
| 4175701 | Aircraft spraying system and method An aircraft spraying system and method drives a turbine motor by pressurized bleed airflow from the working cycle of a turbomachinery-type propulsion engine driving the aircraft, and a control system regulates the pressure of bleed air flow to the motor t... | 11/27/1979 |
| 4172499 | Powder and water mixing and dropping system onboard an aircraft A powder and water mixing system which is operatively mounted onboard an aircraft and uses water scooping to automatically produce onboard mixing of powder and water. This system is particularly adapted to drop a fire retardant powder and water mixture fr... | 10/30/1979 |
| 4167008 | Fluid bed chaff dispenser The dispensing of the chaff fibers takes place in two distinct steps. Initially, a mixture of chaff and fluidization media is delivered to a fluidization chamber. Bleed air from the jet engines is caused to flow through the mixture of chaff and fluidizati... | 09/04/1979 |
| 4158449 | Inlet air cleaner assembly for turbine engines An inlet air cleaner assembly is provided for the air intake of gas turbine engines comprising, in combination, an array of vortex air cleaners removing coarse and heavy contaminant particles, but not light and well dispersed contaminant particles, and an... | 06/19/1979 |
| 4122618 | Skywriting apparatus A skywriting apparatus produces visible vapor in a predetermined pattern to write messages in the sky and has a plurality of vapor generators attached to an airplane and spaced in a predetermined pattern. Each vapor generator has a burner which continuous... | 10/31/1978 |
| 4099676 | Apparatus for spreading fertilizer, plant killer or similar agents from an aircraft Apparatus for spreading fertilizer, plant killer, or similar agents from an aircraft which includes a container in which the agents are disposed, which container contains at its lower end rotating dispersion means for spreading agents to the surrounding a... | 07/11/1978 |
| 4090567 | Fire fighting helicopter Helicopter fire fighting apparatus includes a large quick-connect and disconnect fire-fighting fluid tank, a pump mounted near the engine, a fire fighting control station on the rear of the helicopter and a nozzle broom swiveled near the control station. ... | 05/23/1978 |
| 4055303 | Agrichemical spraying system Disclosed are an aerial agrichemical spraying process and apparatus for producing and applying a multifluid invert emulsion. The apparatus, which is combined with an aircraft, comprises automatically balanced concentric tanks; multifluid valves combining ... | 10/25/1977 |
| 4034915 | Spray nozzle To prevent damage to the bearings and to provide a finer mist, the body of a spray nozzle for use in aircraft has an outer surface which curves outwardly from its longitudinal axis in the forward portion to provide minimum turbulance and curves inwardly a... | 07/12/1977 |
| 3994437 | Broadcast dissemination of trace quantities of biologically active chemicals A method and apparatus are provided for evenly disseminating by broadcast techniques trace quantities of biologically active chemicals such as nutrients, insecticides, fungicides, growth regulators and the like. The biologically active chemical is encapsu... | 11/30/1976 |
| 3990987 | Smoke generator A smoke generator is disclosed which is particularly suitable for mounting on the wing tips of an aircraft and for conducting airflow studies. The device includes a network of thermally insulated tubes for carrying a fluid which is used to produce smoke. ... | 11/09/1976 |
| 3987966 | Centrifugal chaff dispenser Bundles of chaff fibers are fed into a rotating preacceleration chamber having a diverging outlet. The chaff fibers are rotated with the preacceleration chamber and are forced radially outward by centrifugal force. A feed mechanism forces the rotating cha... | 10/26/1976 |
| 3968933 | Apparatus for hydraulic planting Methods and apparatus for dispensing seed or other particulate matter in the air to apply the particulate matter generally evenly over a target area on the ground. The seeds are entrained in a viscous, elastic carrier fluid, which facilitates the movement... | 07/13/1976 |
| 3945572 | Rotating atomizer nozzle A spray nozzle for mounting on an aircraft which controls droplet size comprises a bonnet section having a flexible diaphragm for permitting passage of spray material through a channel and outwardly through one of a plurality of selectively positionable o... | 03/23/1976 |
| 3944137 | Aerial seeder and method A device adapted for operational mounting upon a ground-level superior, moving, and dirigible platform, which device distributes individualized members of a particulate solid according to a ground pattern selectively controllable with respect to distribut... | 03/16/1976 |
| 3936018 | Jettisonable agricultural sprayer A spraying apparatus adapted for connection to a helicopter and including a tank for containing the fluid to be sprayed, a spray boom coupled to the tank, and a pump for pumping the fluid from the tank to the spray boom. The tank is releasably coupled to ... | 02/03/1976 |
| 3933309 | Spray boom A spray boom for aircraft involving an elongate reservoir having the exterior shape of an air foil designed to minimize drag and assist in the lifting of the aircraft. The reservoir is interiorly divided into a plurality of separate compartments, each of ... | 01/20/1976 |
