"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 |
| 5318484 | Metal V-belt drive Metal V-belt drive having small angle V-pulleys engaged by belt mounted pairs of bridging traction drive toggle elements radially loaded by belt tension to provide locking angle driving contact subject to free radial releasing upon leaving each pulley.... | 06/07/1994 |
| 5302119 | Hot cement clinker cooler pocket grate Cooler pocket grate for use in conveying hot clinker from discharge end of cement kiln to cooled clinker processing area. Alternate stationary and moving grates constructed as stainless steel castings are provided with upper surface ridges having through ... | 04/12/1994 |
| 5294215 | Method for constructing foundations and perimeter walls An adaptation of apparatus disclosed in U.S. Pat. No. 5,135,058 to provide foundations or perimeter walls is effected with the drilling of circular holes within a range of four to sixteen feet overlapping to provide continuous area coverage in the case of... | 03/15/1994 |
| 5287602 | Powered toggle latch clamp U-bolt toggle latch clamp actuated by power cylinder having piston rod extending at right angles to toggle linkage reaching aligned relation upon U-bolt retraction to clamping position. The toggle linkage is pivotally connected at one end to a fixed react... | 02/22/1994 |
| 5257774 | Power actuated pull clamp Power actuated pull clamp having piston actuated external side links for pulling a pivoted clamp arm into clamping position. A generally cylindrical body having an external adjustable mounting thread has longitudinal side flats accommodating the actuating... | 11/02/1993 |
| 5256001 | Cylindrical system for in-situ treatment of underwater contaminated material System including method and apparatus for treating contaminated underwater sediment by lowering a cylindrical casing to an underbed, lowering a power driven Kelly bar with plural blade injecting and mixing tool fed with treatment material such as solidify... | 10/26/1993 |
| 5215295 | Enclosed rotatable head power clamp Enclosed rotatable head power clamp has an adapter mounted on a base surface between a power cylinder and a clamp head with an actuating piston rod extending through the adapter guided by rollers in tracks formed in bifurcated hollow side plates completel... | 06/01/1993 |
| 5188135 | Method and apparatus for processing sheet metal blanks and continuous strip Blank washer for cleaning individual sheet metal blanks with a drawing compound liquid suitable for press operations which employs pressurized liquid vortex diffuser means to replace conventional scrubbing brushes. An enclosure with air knives at entrance... | 02/23/1993 |
| 5186123 | Metal/wood birdhouse kit construction Durable knockdown flat sheet metal component birdhouse having slidable flanged edge assembly connections and flat wood panel interior liners. The assembly connections include U-shaped folded 180° flanges extending in the plane of sheet metal panels slida... | 02/16/1993 |
| 5165148 | Toggle clamp with locking mechanism Toggle clamps with bifurcated handle actuated to aligned toggle element clamping position with manually releasible latch lock lever pivotally mounted between handle sides resiliently engaging base mounted catch upon handle reaching toggle alignment.... | 11/24/1992 |
| 5161293 | Adjustable handle for hand tool Production hand tool equipped with pistol grip type handle for manipulating the tool at a comfortable angle including pivotal means for adjusting the angular relation of the handle in the central plane of the tool in order to optimize hand comfort in oper... | 11/10/1992 |
| 5161424 | Anti-backlash drive system An anti-backlash rack and pinion drive system comprising a pair of spur gears on parallel shafts engaging a rack with countertorque preload imposed by a positive timing belt engaging a pair of pulleys respectively coupled to the shafts. Slack on one side ... | 11/10/1992 |
| 5154273 | Platform conveyor A floor mounted inside chain loop carousel conveyor with chain pivots at the inside corners of successive rectangular platforms and with use of spanning "butterfly" bifold guards comprising a pair of identical triangular sides with upper edges pivotally c... | 10/13/1992 |
| 5149070 | Edge clamp A fluid pressure actuated edge clamp employing inclined guide tracks for a clamp jaw advanced and retracted by linkage which substantially eliminates side loading of the piston from reaction loads during clamp engagement. The linkage is reaches an aligned... | 09/22/1992 |
| 5138880 | Digital level sensing probe system Digital level sensing probe system including digital probe constructed of two (2) concentric cylinders, forming a set of discrete, cylindrical capacitors that use the substance whose level is to be measured as a dielectric material. The set of capacitors ... | 08/18/1992 |
| 5127765 | System for in-situ treatment of underwater contaminated material System including method and apparatus for treating contaminated underwater sediment by lowering a hollow casing to an underbed, lowering a power driven Kelly bar with injecting and mixing blade fed with treatment material such as solidifying cement and fl... | 07/07/1992 |
| 5078254 | Nonsynchronous polygon manufacturing system A closed horizontal path nonsynchronous manufacturing system employing dual conveyor chains supporting and transporting fixurized workpiece pallets in single file to a plurality of sequential work stations located at straight segments of the path connecte... | 01/07/1992 |
| 5064177 | Power clamp with enclosed track A power clamp having linear bearing tracks for actuating toggle linkage characterized by a combination of fixed and moving cover elements completely enclosing the bearing tracks to prevent intrusion of foreign materials.... | 11/12/1991 |
| 5058240 | Composite inertia latch for vehicle seat back Seat hinge for two door vehicle including a yieldable pivoted latch permitting forward seat back tilting to facilitate rear seat passenger entrance and exit without manual latch release and an inertia element responsive to vehicle deceleration for blockin... | 10/22/1991 |
| 5038893 | Lubrication monitoring system Control system for measuring/detecting transient fluid flow in a positive displacement pump lubrication system using time-differential pressure measurements. A pressure-actuated transducer for a captive oil column in the injection circuit imparts a propor... | 08/13/1991 |
| 5028091 | Remote seat back adjuster Seat back adjuster having cam locked toothed pawl in sector engagement with extensive remote handle actuation including linkage providing a minimized hand lever travel and positive pawl drive out.... | 07/02/1991 |
| 5010312 | Solenoid actuators A solenoid actuator that includes a ferromagnetic armature body mounted for movement through a defined stroke in the direction of its central axis. A stator includes an electrical coil surrounding the axis of the armature, and a ferromagnetic stator body ... | 04/23/1991 |
| 5005468 | Swing chucking device The swing clamping device consists of a cylinder (2) provided with fluid medium connections with a piston (5) that can be advanced and retracted and a piston rod (1) to whose free end a clamping arm (17) is attached. The piston rod swing guide is designed... | 04/09/1991 |
| 4990124 | Tuff-face drag chain link Drag chain link typically employed for conveying cement clinker characterized by transversely ribbed underside adapted to trap a layer of clinker material for transferring a substantial portion of the normal chain wear to the clinker layer. Optionally, a ... | 02/05/1991 |
| 4986168 | Piston and multilayer piston ring set Compression piston ring for internal combustion or compressor cylinder and piston comprising double layer of segmented ring sectors having free form circumferential curvature matching the cylinder bore. The double layers are adapted to effectively seal or... | 01/22/1991 |
| 4979582 | Self-propelled roller drive unit A self-propelled roller drive unit with enclosed power source, motor(s) and transmission(s) coupled to external reaction load such as golf bag frame, wheelchair, industrial transport, personal transport or other drive unit.... | 12/25/1990 |
| 4967977 | Push button ALR retractor A vehicle sensitive inertia safety belt retractor (VSI) equipped with push button actuated automatic locking device (ALR) preventing belt extraction when manually pressed with the belt extracted to a buckle engageable extent. Automatic restoration of VSI ... | 11/06/1990 |
| 4958813 | Die clamp A variable height die clamp adjustable through threaded knob on a single T-headed bolt engageable with the T-slots of conventional machine table. A clamp arm pivotally connected at the centerline of the bolt through a pair of side brackets and a bolt guid... | 09/25/1990 |
| 4887803 | Power actuated cam clamp Power actuated cam clamp having mounting base with side flanges for pivotally mounted cam surfaced clamp arm, cam roller actuating link, and fluid cylinder elements. Uniform cam rise providing self-locking angle over substantial clamp range and rapid trav... | 12/19/1989 |
| 4886485 | Taper-loc drag link and pin Drag chain link and pin construction providing press fit nonrotational seating of pin ends in bifurcated boss ended arms of each link thereby excluding introduction of abrasive, wear producing particles, particularly encountered in cement manufacturing ki... | 12/12/1989 |
| 4884845 | Continuously variable adjustable hinge Continuously adjustable pivoted hinge, such as employed for automotive vehicle recliner seat back, wherein a toothed sector on one hinge element is retained by a toothed pawl on the other which has freedom of mounting connection at least equal to the pitc... | 12/05/1989 |
| 4884359 | Fishing lure Fishing lure of the spinning blade type having a loop ended wire passing through a clevis, a series of loose metal and plastic elements to a multipronged hook with a spoon shaped blade attached to the clevis through a hole in the tip end, particularly cha... | 12/05/1989 |
| 4872726 | Ratchet seat recliner with remote release Ratchet recliner for automotive vehicle seats provided with remote hand lever release feature. Lower bracket sandwich plate extensions for hand lever pivot and single plane push-pull connecting link accommodate integral assembled unit installation.... | 10/10/1989 |
| 4861155 | Method and apparatus for measuring curvature of the cornea Method and apparatus for measuring corneal curvature through mechanical measurement of longitudinal probe positioning in contacting the surface of the subject's cornea at predetermined radial and angular positions relative to the central apex of the eye. ... | 08/29/1989 |
| 4854564 | Power clamp with track wiper Power clamp with track wiper for protecting anti-friction roller bearings running in close fitting reaction tracks from buildup of powdery substance encountered on certain welding conditions which is carried by the atmosphere and clings to the bearing tra... | 08/08/1989 |
| 4842298 | Sway bar for all terrain vehicle All Terrain Vehicle (ATV) sway bar constructed with plastic tubular carrier solid nylon torsion bar and/or aluminum alloy torsion bar assembled end levers and a pair of independent laterally adjustable steel brackets for mounting the carrier to the ATV fr... | 06/27/1989 |
| 4838564 | Steerable roller skate Roller skates provided with essentially spherical wheels mounted on trucks pivotally connected to a sole plate with longitudinally offset skate wheel axes and yieldable resilient neutralizing bias accommodating steering truck displacement in response to s... | 06/13/1989 |
| 4836091 | Hydraulic work support A spring actuated plunger work support seeks variable tolerance level of workpiece and is hydraulically locked in place to provide resistance to workpiece deflection imposed by processing loads. A collet with independent steel segments in a molded rubber ... | 06/06/1989 |
| 4811962 | Holder for machining thin walled cylinder Hydraulically actuated arbor for finish machining thin walled cylinder such as internal combustion cylinder liner without deflecting from initial free state out-of-round condition including flexible Teflon displacement shell and accurately adjustable mean... | 03/14/1989 |
| 4793275 | Marine hazardous off-loading system A hazardous off-loading system for emergency removal of cargo from a grounded or floundering ship which secures leveling platforms on the deck of the ship from which to implement cargo removal procedures serving to mount appropriate equipment such as a li... | 12/27/1988 |