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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 6296058 | Wellbottom fluid implosion treatment system A system for inducing implosion shock forces on perforation traversing earth formations with fluid pressure where an implosion tool is selected relative to a shut in well pressure and a tubing pressure to have a large and small area piston relationship in... | 10/02/2001 |
| 6292134 | Geodesic sphere phased array antenna system A geodesic sphere phased array antenna system, capable of scanning the entire omni-directional communication space and comprising substantially equilateral triangular planar subarrays of antenna elements arranged in a geodesic sphere configuration. Icosah... | 09/18/2001 |
| 6278949 | Method for multi-attribute identification of structure and stratigraphy in a volume of seismic data This invention discloses a method for rapid visual exploration of a volume of seismic data which does not require horizon picking or editing and yet displays all horizons with their stratigraphic features and lithologic variations in 3-D motion on a color... | 08/21/2001 |
| 6209144 | Protective garment A protective garment (10) adapted to be worn by personnel in high temperature or otherwise harmful environments. Tile garment comprises a torso section 11 and depending on the wearer's needs and desires, arms (14), head (13) and leg sections (15) and read... | 04/03/2001 |
| 6085806 | Environmentally safe kit for changing motor oil An oil drain kit for collecting used motor oil comprising an oil drain collection pan, having a bottom wall raised at the center and sloping to its marginal extremity where it is joined with a side wall having a radial flange at the top of the wall and wh... | 07/11/2000 |
| 5954093 | Rotary servo valve A rotary servo valve employs a double-edged blade-like valve gate mounted inside a sleeve having a plurality of valve ports circumferentially distributed around the sleeve at predetermined angular positions. The valve gate is reciprocable from a first to ... | 09/21/1999 |
| 5918809 | Apparatus for producing moving variable-play fountain sprays The invention is an apparatus for producing fountain displays which include moving variable-play fountain sprays and comprises one or more nozzles with dual entry or multi-entry ports which are mounted on one or more moveable floats and are connectable to... | 07/06/1999 |
| 5886667 | Integrated microstrip helmet antenna system An integrated helmet and omnidirectional microstrip antenna system comprising a ballistic helmet constructed of rigid non-metallic material with a sheet of dielectric material as the top layer thereof and an omnidirectional microstrip antenna system havin... | 03/23/1999 |
| 5765738 | Harness for supporting a handgun holster A harness for supporting a handgun holster adjacent the thigh of a wearer in a position relative to the wearer's torso which is maintained even though the wearer may be engaged in vigorous activity and precludes shifting of the holster as would disadvanta... | 06/16/1998 |
| 5617657 | Multi-color liquid display system A multi-color liquid display system comprising a transparent conduit and system for sequentially circulating liquids of different color and different specific gravity through the conduit to present a dynamic display such as "raining" of one liquid into an... | 04/08/1997 |
| 5568923 | Roller hockey puck A hockey puck (10) for playing roller hockey on a non-ice surface. The puck includes a puck body (12) of circular cylinder configuration in which a minimum of three multi-directional roller wheel assemblies (20) are mounted in symmetrical equiangular rela... | 10/29/1996 |
| 5524822 | Apparatus for producing variable-play fountain sprays Fountain apparatus in which a valve (40B) in the liquid circulating system of a fountain is adapted to control liquid flow to one or more nozzles (73, 74) to effect movement and interaction of the streams dispersed therefrom to produce fountain displays. ... | 06/11/1996 |
| 5465596 | Key ring A key ring 10 formed from a continuous piece of pliant spring wire 10 in a first unstressed configuration which comprises a large outer loop 14 having a free end portion 18 adapted to receive keys thereon. The unstressed configuration of the wire includes... | 11/14/1995 |
| 5462559 | Endoscopic ligating instrument An endoscopic instrument for ligating multiple lesions within a hollow body organ. A flexible endoscope 10 is provided with channels 16-21 for accomodating means for illumination, viewing and application of suction and is also provided with a hollow tubul... | 10/31/1995 |
| 5423834 | Endoscopic ligating instrument An endoscopic instrument for ligating multiple lesions within a hollow body organ. A flexible endoscope 10 is provided with a pair of tubular members 25, 26 affixed to the insertion end of the endoscope and a plurality of elastic ligating rings 50 are mou... | 06/13/1995 |
| 5389009 | Battery substitute device A battery substitute device (9) for use with apparatus for testing a hearing aid instrument (12) of the ear-worn type which has a battery compartment with a door for access thereto and hearing aid contact terminals located in the battery compartment at a ... | 02/14/1995 |
| 5377946 | Combined bed tray and book holder A bed tray (10) with supporting legs (14) and a flat bottom (12) having an insert panel (24) therein which can be positioned at an angle of inclination to thereby serve as a book stand. The insert panel is normally supported co-planar with the top (13) of... | 01/03/1995 |
| 5341840 | Bonnetless swing check valve A swing-type check valve (10) having a bonnetless two-piece valve body (12, 14) with a valve chamber (22) and inlet and outlet ports (15, 21) defining a flow passage through the valve. A clapper (25) fixed to a clapper shaft (28) is restrained in working ... | 08/30/1994 |
| 5320630 | Endoscopic ligating instrument for applying elastic bands An endoscopic instrument for ligating multiple lesions within a hollow body organ. A flexible endoscope 10 is provided with a pair of tubular members 25, 26 affixed to the insertion end of the endoscope and a plurality of elastic ligating rings 50 are mou... | 06/14/1994 |
| 5320398 | Tie-down mechanism for automobile trunk lid A tie-down mechanism for securing a pivotally mounted automobile trunk lid 20 when objects 24 in the trunk are too large to allow the fully closing of the lid. The mechanism includes a reel 32 journalled for rotation on a reel housing 34 which is attached... | 06/14/1994 |
| 5231752 | Wire rope termination A method of terminating wire ropes by swaging in the field with hand tools. At the factory, one end of termination (9) has been prepared with threads (13) and the opposing end has been drilled forming a hole the diameter of which is too small to fit a wir... | 08/03/1993 |
| 5218801 | Roof truss and decking system A roof truss and decking system having trusses constructed with multiple truss blocks (8) stacked end to end with crush plates (14) in between. Keystones (16) are placed at the apex of the trusses or the crush plates (14) wedge shaped forming the trusses ... | 06/15/1993 |
| 5179823 | Variable mulching mower with edger attachment A motor-powered mulching mower and edger apparatus (20) with dual rotary mower blades (33,35), a mower deck (21) and a side-mounted edger attachment (75) adapted by a clutch mechanism (110,111) for simultaneous operation therewith. An adjustable mulching ... | 01/19/1993 |
| 5176554 | Aquatic flotation device A buoyant aquatic recliner device (10) comprised of a plurality of body supporting sections (11,12,13) flexibly interconnected and adapted to support a person reclined thereon. One body supporting section (11) supports the torso of the reclined person, a ... | 01/05/1993 |
| 5145692 | Brick making apparatus Portable brick manufacturing apparatus (20) mounted on a skid pad (21) includes two brick making systems. Each system includes a ring (25, 65) with three open-ended mold boxes (23, 70) mounted to the ring in equiangular spacing thereabout. Drive means (30... | 09/08/1992 |
| 5135419 | Method of encasing a non-linear atubular member A method of encasing a luminous translucent tubing (12,32) of a non-linear complex geometrical configuration in a transparent outer member (14,34) and forming a passage (25,35) of annular radial cross section therebetween, which method comprises coating t... | 08/04/1992 |
| 5095763 | Load-sensitive resonator beam transducer A vibratory force transducer comprising a vibratory beam (21) of rectangular transverse cross section having a uniform thickness t, a major span section of length L1 and width w1, and at least one end of the major span having an adjo... | 03/17/1992 |
| 5091096 | Marine oil spill recovery apparatus and method A method and apparatus for recovery of oil from a marine oil slick. The apparatus includes a dredge (10) equipped with a suction pump (11) and a suction pipe (13) having a suction collector box (17,60) mounted on the distal end thereof for pivotal movemen... | 02/25/1992 |
| 5088723 | Submergible aquatic flotation device An inflatable aquatic device suitable for supporting a person in reclined position thereon when inflated. The device comprises at least one pair of elongated inflatable tubular members 61, 62 of substantially equal length and configuration which are inter... | 02/18/1992 |
| 5075992 | Multi-color liquid display system A multi-color liquid display system comprising a liquid conduit 14 and a display apparatus operatively associated therewith. A fluid circulating system is connected to the liquid conduit 14 for sequentially circulating different colored liquids 22,24 of d... | 12/31/1991 |
| 4651970 | Valve actuator with auxiliary energy storage means A fluid-powered actuator assembly 10 for gate valves 13 having a slab gate 21 with a port 22 adapted to be placed in registry with the flow passage through the valve wherein the valve is moved to open position by application of fluid pressure to the actua... | 03/24/1987 |
| 4650226 | Holddown screw A holddown screw 10 which features a shank 23 and contact nose 22 of separate construction. The contact nose 22 is provided with a flat bevelled contact surface 32 of predetermined angle to the axis of the screw selected to correspond to the angle of the ... | 03/17/1987 |
| 4650225 | Hydraulic holddown screw with mechanical retention means A holddown screw assembly 10 which features a shaft 33, an energizer screw 39 and a detachable contact nose 20 adapted to be assembled in coaxial alignment in a radial bore in a wellhead structure. The shaft is provided with a passage 40 extending from it... | 03/17/1987 |
| 4647749 | Apparatus and method for weld cladding cylindrical objects Apparatus and method for depositing a corrosion resistant weld clad material upon a cylindrical surface of a workpiece such as the internal cylindrical conduit of a valve body (10). The apparatus includes a turntable (12) having a rotating platform (24) w... | 03/03/1987 |
| 4643395 | Valve with protected seats A gate valve 10 of slab gate variety with "floating" seats having means for protecting the seat ring seals and seat pockets in severe operating conditions. Each seat ring (40,41) is provided in its rear face (43,44) with an annular groove (49) coaxial wit... | 02/17/1987 |
| 4601308 | Ball valve with seat loading mechanism A top-entry ball valve 10 comprising a valve body 12 having a chamber 13, flow passages 14, 15, a ball 20 rotatably mounted in the chamber for movement between open and closed positions relative to the passages, and a pair of seat assemblies 50 at opposed... | 07/22/1986 |
| 4585207 | Expanding gate valve with pneumatic actuator A piston type pneumatic powered actuator (9) for operating a valve (10) of the expanding gate type wherein velocity of the piston-stem-gate drive train is maintained substantially constant in the latter stage of the actuator stroke. The actuator (9) inclu... | 04/29/1986 |
| 4575106 | High pressure sealing connection with metal seal A high pressure sealing connection for sealing between coaxially aligned members (22, 10) which are connected by metal bolt means having a different coefficient of thermal expansion from the aligned members. The connection comprises a metallic sealing rin... | 03/11/1986 |
| 4570942 | Dual diameter valve stem packing A "fire-resistant" packing arrangement (30) for use with linear motion or rotary motion shafts (20) characterized by a stepped dual diameter packing chamber provided by successive enlargements of the stem bore (22). A primary packing assembly (31) dispose... | 02/18/1986 |
| 4568058 | Dual stage hydraulic actuator for expanding gate valve A dual stage hydraulic actuator (9) for actuation of an expanding gate valve (10). The actuator is mountable to the valve housing and comprises a housing 40 which defines a piston chamber 41 and a primary piston (61) slidably received therein. An actuator... | 02/04/1986 |
