An extension member is attachable to a trailer hitch and extends away from the vehicle and is connected to a seating frame supporting a toilet seat.
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| Number | Title | Issue Date |
| 6185156 | Underwater acoustic impulse source An acoustic transmission in an underwater environment having a spectrum (amplitude/frequency signature) of interest is generated by cyclically releasing energy which forms impulses which individually have spectral amplitudes principally near one end of th... | 02/06/2001 |
| 6181646 | Geophysical exploration system using seismic vibrator source which provides a composite sweep A system for geophysical exploration uses a single source (30) which emits signals over multiple octaves. The source is driven by a composite sweep signal having two or more sweeps, one of which covers the lower octave (10) while the other sweeps cover th... | 01/30/2001 |
| 5886808 | Pulse shaping system Temporally shaped electrical waveform generation provides electrical waveforms suitable for driving an electro-optic modulator (EOM) which produces temporally shaped optical laser pulses for inertial confinement fusion (ICF) research. The temporally shape... | 03/23/1999 |
| 5621213 | System and method for monitoring a stack gas A stack gas monitor system has an optimized gas flow portion which is permanently installed in a fossil fuel burning facility, and to which a spectrophotometric portion can be readily coupled for real-time determination in the system of a concentration of... | 04/15/1997 |
| 5616066 | Magnetorheological finishing of edges of optical elements Method and apparatus using magnetorheological fluid for finishing a non-image-forming edge of an optical element to a very high degree of smoothness and for removing microscopic fissures from such edges, the method comprising positioning an optical elemen... | 04/01/1997 |
| 5515055 | System for processing returns from a target from transmissions containing repeated signals to detect the doppler velocity of the target A signal processing system of reduced complexity over conventional banks of matched filters for each Doppler velocity of interest is responsive to a transmission which is in the form of a train of repeated Doppler invariant signals which are preferably ph... | 05/07/1996 |
| 5514296 | Glassy low molar mass chiral nematic liquid crystalline compositions and optical articles formed therefrom A glassy thermotropic chiral nematic liquid crystalline composition comprises a glassy chiral nematic compound of low molar mass that includes a cycloaliphatic radical, a nematogenic moiety, and a chiral moiety, or a mixture of a nematic liquid crystallin... | 05/07/1996 |
| 5501523 | Impeller system for mixing and enhanced-flow pumping of liquids A rotatably driveable enhanced-flow impeller system has a radial flow impeller with a first impeller face disposed proximate the bottom of the tank and proximate or extending into an inlet port for liquids in the tank bottom. The radial flow impeller has ... | 03/26/1996 |
| 5501068 | Mulching rotary lawn mower blade A mulching blade for a gasoline- or electrically-powered rotary lawn mower having a housing, which blade is mounted on the shaft of the lawn mower motor below the deck of the housing. The blade has a central mounting area and inner and outer sections shar... | 03/26/1996 |
| 5481384 | Deflector system which produces dual, oppositely directed scanning beams simultaneously or successively Centered monofacet deflector systems having a dipole laser beam scanning pattern (dual scanning beams which propagate in opposite directions) enables both the scan rate and the scan duty cycle of the scanning system to be doubled over deflectors which pro... | 01/02/1996 |
| 5469267 | Halftone correction system Prior to printing on a digital printer a halftone reproduction of a continuous one original image, digital image signals are corrected for the effects of printed dot overlap generated by a particular chosen digital printer. The dot overlap correction is b... | 11/21/1995 |
| 5385058 | Method and apparatus for sampling particulate material falling from a belt conveyor A sampler having a pneumatically actuated scoop closes an opening in the bottom of a pipe containing an auger. The scoop swings through particulate material, (especially granular and/or powdered coal) as it is discharged from a belt of a feeder at the tra... | 01/31/1995 |
| 5378951 | Friction welder which produces orbital motion and drive therefor An electromagnetically actuated friction welder produces orbital motion at interfaces between parts (usually of thermoplastic material) to bond the parts by fusion generated by friction. This welder can also be operated alternatively to produce reciprocat... | 01/03/1995 |
| 5367399 | Rotationally symmetric dual reflection optical beam scanner and system using same A dual reflection unpolarizing monofacet (DRUM) scanner or beam deflector is made up of two essentially identical 45° right angle prism elements with their hypotenuse faces together to form a body which may be rectangular or cylindrical and may be contai... | 11/22/1994 |
| 5349471 | Hybrid refractive/diffractive achromatic lens for optical data storage systems A diffractive/refractive hybrid lens for use in an optical data storage system as an objective is provided by a convex-plano singlet having a refractive element defined by plano-convex surfaces and a diffractive element defined by a Fresnel zone-like patt... | 09/20/1994 |
| 5340097 | Automatic mailing machine A mailing machine includes a mail transport device for vertically moving individual pieces of mail from a mail bundle to an apparatus for weighing such pieces of mail and to then move same to a further station where each piece of mail is positioned horizo... | 08/23/1994 |
| 5277744 | Friction welder having a drive which produces orbital motion An electromagnetically actuated friction welder produces orbital motion at interfaces between parts (usually of thermoplastic material) to bond the parts by fusion generated by friction. This welder can also be operated alternatively to produce reciprocat... | 01/11/1994 |
| 5258699 | Motor control system especially for control of an optical scanner A reflective deflector of a light beam which scans in opposite directions across a bar code is controlled in scan angle by monitoring the AC component of a current passing through a winding of a scanning motor which oscillates the deflector to scan the be... | 11/02/1993 |
| 5257220 | Digital data memory unit and memory unit array A digital data memory unit and memory unit array, each unit of which can be searched in accordance with the contents thereof and updated, utilizes a digital storage element in the form of a register, latch, or memory cell, a comparator and control logic. ... | 10/26/1993 |
| 5253106 | Oblique viewing system for microscopes An oblique viewing system is attachable to a microscope to selectively obtain a perpendicular view (along the optical axis of the microscope) and oblique views of surfaces of objects under inspection. The attachment is connected to the microscope's object... | 10/12/1993 |
| 5223956 | Optical beam scanners for imaging applications Laser beam scanners having a polarization sensitive beam deflecting surface (specifically a monofacet nondisc plane diffraction grating (NPDG) monofacet deflector and a dual reflection monofacet polarization sensitive deflector that incorporates a polariz... | 06/29/1993 |
| 5220749 | Grinding apparatus Apparatus is described for grinding glass to form optical elements, especially prisms. The apparatus has an improved mounting for grinding wheels which are used for different grinding purposes, specifically roughing, finishing and polishing. The finishing... | 06/22/1993 |
| 5212489 | Echo ranging system for detecting velocity of targets using composite doppler invariant transmissions Target velocity and range are measured with high resolution in an echo ranging system (sonar or radar) using composite Doppler invariant signals consisting of at least two segments, such as "rooftop" or "vee" HFM signals, such composite signals having amb... | 05/18/1993 |
| 4753316 | Seismic source A water gun seismic source for use in underwater environments has a sleeve valve (100) for opening a jet aperture (37, 101) to enable jets of pressurized water to be emitted for the generation of a seismic signal. The water is pressurized by a drive pisto... | 06/28/1988 |
| 4676287 | Cartridge and docking port for a cleaning device A cleaning fluid cartridge having a collar with defined entry and locking positions rotatably thereon to be received in a docking port of a cleaning device such that a pair of orifices on the container are initially aligned and axially advanced by rotatio... | 06/30/1987 |
| 4631708 | Transmitter/responder systems A memory suitable for use as a responder, comprising: (a) receiver means for receiving a transmitted signal S1; (b) generator means (76) for generating a carrier component of a transmittable signal S2; (c) logic means (L2) for enabling signal S2 to be in... | 12/23/1986 |
| 4628493 | Sensor system with time division multiplexing telemetry A seismic array containing a large number of seismic sensors, which may be optical hydrophones, has successive sections, each of which contains a subarray of sensor channels, interconnected by a fiber optic signal transmission line via telemetry modules. ... | 12/09/1986 |
| 4569412 | Seismic source A seismic source operable in deep bore holes, and especially suitable for acoustic well logging and geophysical exploration, produces a controlled-spectrum seismic impulse. The source has a hammer which is hydraulically cocked through a hydraulic transfor... | 02/11/1986 |
| 4567517 | Descrambler for sync-suppressed TV signals Suppressed sync TV signals are descrambled by restoring their sync intervals with restoring pulses generated in predetermined time relationship with timing pulses which are transmitted with the TV signals, amplitude modulated on the audio carrier (the cen... | 01/28/1986 |
| 4565441 | Light source for photographic color printers A light source for providing controllable illumination having the red, green, and blue components in selected intensity proportion, uses a lamp/filter assembly which projects light through a diffusing plate into a mixing chamber from the output end of whi... | 01/21/1986 |
| 4560862 | System for optical scanning over a large depth of field A system for optically scanning objects, particularly bar codes over a large depth of field, uses a incandescent light source to illuminate the bar code and scans the field using a rotating polygon having mirrors with different curvature on different face... | 12/24/1985 |
| 4558484 | Tank unit for cleaning devices A tank unit to be removably mounted to a cleaning device having a clean water tank and a waste fluid tank displaced along a common axis and joined together by a connector which also provides an inlet to the waste fluid tank adjacent the top of the cleanin... | 12/17/1985 |
| 4556360 | Robotic apparatus A robot arm, especially useful as a parts catcher, uses an extensible arm which may be in the form of a telescopic slide. The arm and a fluid operated actuator, such as a pneumatic cylinder, are pivotally mounted on a base at one end thereof. A wrist is p... | 12/03/1985 |
| 4488610 | Sorting apparatus Mail sorting apparatus feeds mail items past a printing postage meter into a hopper from which the items are dropped successively into sorting bins which revolve along a circular path. Collection bins, also disposed along the circular path below the sorti... | 12/18/1984 |
| 4435623 | Telephone guard device A device for guarding a telephone set against undesired use or accidental dislocation is fixably mounted between the cradles and has blades and a slide mechanism which is manually actuable to selectively extend and retract the blades into and out of block... | 03/06/1984 |