In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 5906340 | Inflatable escape slide assembly An escape slide and life raft assembly for evacuating personnel from an aircraft, with the slide having side tubes and cross tubes along with a slide panel that extends the full length of the slide. The slide has a head end and a toe end with one of the c... | 05/25/1999 |
| 5871180 | Inflatable escape slide An inflatable escape slide that includes a plurality of inflatable tubes that are held in a folded condition and elastic strap members at the site of the fold of the folded tubes that puckers up the material at the fold site to maintain an unobstructed pa... | 02/16/1999 |
| 5820773 | Escape slide with support tube assembly An aircraft slide assembly used for evacuating personnel from an aircraft or other elevated structure having a longitudinally extending inflatable escape slide and a stabilizing support tube assembly attached to the underneath portion thereof closely adja... | 10/13/1998 |
| 5738305 | Inflation system An inflation system for use in inflating an inflatable foldable escape slide or foldable container for use in evacuating personnel from an aircraft, platform or other device in cases of emergencies. The slide has a gas source such as a bottle member havin... | 04/14/1998 |
| 5711495 | Deployment control for inflatable escape slide A deployment control for an inflatable escape slide for use in a structure such as an aircraft is disclosed wherein the escape slide has an inboard end and an toe end. The inboard end of the slide is suitably attached to an egress on the structure for dep... | 01/27/1998 |
| 5692436 | Can crusher device A can crusher device that has a base member with an upper surface connected by linkages to a moveable plate member with a lower planar surface wherein the linkages includes levers that interconnect the forward portions of the base and plate members as wel... | 12/02/1997 |
| 5608967 | Method of making piston for an aircraft brake with honeycomb insulated piston head An aircraft brake assembly with stators and interleaved rotors with a piston support and cylinders mounted thereon for cooperative action by pistons slidably mounted therein for brake actuation wherein each piston has a piston head with a honeycomb insula... | 03/11/1997 |
| 5538109 | Piston head for an aircraft brake and insulator An aircraft brake assembly with stators and interleaved rotors with a piston support and cylinders mounted thereon for cooperative action by pistons slidably mounted therein for brake actuation wherein each piston has a piston head with a honeycomb insula... | 07/23/1996 |
| 5409048 | Aircraft wheel An aircraft wheel for a pneumatic tire that has a generally cylindrical wheel section with an annular inboard rim flange and an annular outboard rim flange which seat the respective beads of the tire, The respective rim flanges have curvilinear configurat... | 04/25/1995 |
| 5360186 | Inflatable slide raft assembly An aircraft life raft escape slide assembly for evacuating passengers from an aircraft and thereafter for providing a floating support when the evacuation is over water. Such assembly has an inflatable slide structure releasably connected to an inflatable... | 11/01/1994 |
| 5284434 | Blow molding extrusion head An extrusion head for a blow molding machine wherein a movable plunger is slidably mounted in a distributor head which receives a melt at an inlet end of its channel and directs it along such channel to the terminal end of the channel while simultaneously... | 02/08/1994 |
| 5255761 | Aircraft brake An aircraft wheel and brake assembly having an axle with a circular flange in abutting contact with an annular viscoelastic vibration dampening plate which in turn abuts an annular flange of a torque tube. The flanges are rigidly secured to the dampening ... | 10/26/1993 |
| 5213378 | Fluid connector A fluid connector consisting of a longitudinally extending tubular member having a central passageway extending therethrough with the one end of such central passageway being threaded. An annular flange on the intermediate exterior portion divides the tub... | 05/25/1993 |
| 5205382 | Aircraft brake An aircraft multiple disc and brake assembly having an axle with a cylindrical wheel member journaled thereon. The inner peripheral portion of the wheel member has a plurality of circumferentially spaced splines to support axially spaced rotor discs which... | 04/27/1993 |
| 5199536 | Heatshield installation for aircraft brake A heat shield installation on a tire supporting wheel and brake assembly having a rim member with an inner surface that surrounds a heat sink composed of stator and rotor brake discs. A plurality of circumferentially spaced drive keys are located between ... | 04/06/1993 |
| 5160102 | Controller valve for deicer A system for controlling the inflation and deflation of deicer members for breaking up ice formation thereon. A non-regulated pressure source is connected to a controller valve and an ejector valve, wherein the ejector valve supplies a vacuum source to th... | 11/03/1992 |
| 5150831 | Reactor vessel A pressure proof reactor vessel and the method of making such vessel wherein the vessel has a cylindrical one-piece outer wall and a cylindrical one-piece cylindrical inner liner, which liner has a smooth continuous interior surface spaced radially inward... | 09/29/1992 |
| 5137184 | Caulking gun and cartridge A caulking gun with the open supporting framework that has a forwardly disposed ring member and a rearwardly disposed trigger actuating mechanism that is cooperative with a rod member with teeth thereon to advance the piston on the one end of the rod memb... | 08/11/1992 |
| 5107968 | Heatshield for aircraft brake A multi-disc brake assembly having a plurality of interleaved stator and rotor brake discs that are cooperative with a cylindrically shaped or cone shaped heat shield that has a honeycomb open cell structure which controllably limits the radiant and conve... | 04/28/1992 |
| 5099558 | Burnishing tool holder A burnishing tool holder and a method of burnishing wherein the burnishing tool has a resilient U-shaped thin strip interconnected to a bracket that supports a burnishing roller and a tool holder that is mounted on a slide that is moveable longitudinally ... | 03/31/1992 |
| 5095840 | Fender protective structures An impact pad, having a first outer layer of ultra-high molecular weight material, an intermediate layer of elastomeric material and a third base layer of rigid material, is mounted on a support base of the hull of a ship for absorbing impact forces. The ... | 03/17/1992 |
| 5088516 | Temperature compensator for pressure regulator A temperature compensator for use on a gas pressure regulator which inflates an infatable aircraft slide. The temperature compensator is cooperative with a movable valve upon actuation, to control the flow of pressurized fluid past a discharge orifice. Th... | 02/18/1992 |
| 5086821 | Aircraft wheel An annular locking ring for use on an aircraft wheel that has a pair of separable wheel sections wherein the locking ring has a lobe section and a leg section. The cross-sectional shape of the leg section has a pair of spaced linear portions that are inte... | 02/11/1992 |
| 5074026 | Fluid connector A fluid connector consisting of a longitudinally extending tubular member having a central passageway extending therethrough with the one end of such central passageway being threaded. An annular flange on the intermediate exterior portion divides the tub... | 12/24/1991 |
| 5074726 | Blind fastener A blind fastener that is installed from one side only of a hole in a plate structure wherein the blind fastener has a tubular body with a head and a sleeve loosely journaled in the central bore of the tubular body. The sleeve has an upper portion that is ... | 12/24/1991 |
| 5074497 | Deicer for aircraft A deicer pad for use on the airfoil of an aircraft wherein the pad has an elastomeric flexible covering with metallic spaced strips embedded therein in side by side relationship. An electromagnetic field pulse generator is mounted within the airfoil adjac... | 12/24/1991 |
| 5066446 | Method for making a blind fastener A method for making a blind fastener that has a flanged outer sleeve and a flanged inner sleeve that are secured together, wherein the outer sleeve has a socket that receives a lug from the inner sleeve to provide joint axial movement and wherein the oute... | 11/19/1991 |
| 5060661 | Inflatable neck and head support An inflatable neck and head support for use by a wearer which is a generally rectangular body of flexible gas impervious material with two side panels that is sealed around its entire periphery to form a closed chamber. A valve is mounted in such body to ... | 10/29/1991 |
| 5051048 | Blind fastener A blind one piece expansible fastener which has a tubular body with an annular flanged head portion at one end thereof. The upper portion of the tubular body which extends from the flanged head portion has a constant wall thickness. The intermediate tubul... | 09/24/1991 |
| 5050656 | Non-pneumatic tire wheel A non-pneumatic tire wheel having an annular hub with a carcass connected thereto, which carcass has C-shaped sidewalls with a plurality of circumferentially spaced slots that extend into the crown of the carcass. The crown of the tire wheel receives a tr... | 09/24/1991 |
| 5044061 | Rubber-plastic composite A rubber plastic composite cylinder that has a cylindrical hollow elastomeric body bonded internally to a shaft and its external surface bonded to a cylindrical sleeve of ultra high molecular weight polyethylene which includes the bonding as by vulcanizat... | 09/03/1991 |
| 5044482 | Rubber-plastic composite A rubber plastic composite cylinder that has a cylindrical hollow elastomeric body bonded internally to a shaft and its external surface bonded to a cylindrical sleeve of ultra high molecular weight polyethylene which includes the bonding as by vulcanizat... | 09/03/1991 |
| 5037341 | Inflatable life preserver An inflatable life preserver that is made from a gas impervious material in a generally rectangular shape with a closed chamber. A valve is connected thereto for inflating the chamber. The life preserver has fasteners to retain the life preserver into an ... | 08/06/1991 |
| 5035380 | De-icer A deicer control system for a pneumatic deicer wherein a solenoid operated valve directs either pressurized air or creates and pulls a vacuum on the inlet port of a control valve. The inlet port communicates to an outlet port in the control valve post mov... | 07/30/1991 |
| 5027971 | Reactor vessel A pressure proof reactor vessel and the method of making such vessel wherein the vessel has a cylindrical one-piece outer shell and a cylindrical one-piece cylindrical inner shell, which inner shell has a smooth continuous interior surface spaced radially... | 07/02/1991 |
| 5022611 | De-icer A pressure limiter valve for regulating the inflation and deflation of inflatable tubes of a deicer wherein such valve has a housing with a central chamber with inlet and outlet ports communicating therewith. The inlet port is selectively subjected to a v... | 06/11/1991 |
| 5009249 | Valve for fluid container A pressure regulator for use in regulating the pressure of inflating an inflatable member from a high pressure source wherein a valve housing has one end attached to a pressure source and the other end attached to a trigger mechanism. A spool valve is sli... | 04/23/1991 |
| 5007660 | Suspension system A leaf spring suspension for a motor vehicle wherein the leaf spring has one end pivotally connected to the frame and the other end also connected to the frame via a torsion spring member. The torsion spring member has a shaft member which is pivotally co... | 04/16/1991 |
| 4984946 | Blind fastener A blind fastener and method for making such fastener that has a flanged outer sleeve and a flanged inner sleeve that are secured together, wherein the outer sleeve has a socket that receives a lug from the inner sleeve to provide joint axial movement and ... | 01/15/1991 |
| 4969781 | Blind fastener hand tool A hand tool for the preparation of an off-set bore relative to a countersunk recess in a structural plate member wherein a pilot sleeve with a central bore slidably support an upper hollow sleeve that is spring biased away from the pilot sleeve. A bushing... | 11/13/1990 |