...In 1790, the cost to obtain a patent was between $4 and $5.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7721849 | Retractable ladder A retractable ladder for a motorhome or trailer includes pivoting mounting apparatus providing total support for a ladder and climber in an open position. The apparatus includes brackets which mount on the side of the motorhome or trailer and arms which pivot in the... | 05/25/2010 |
| 7584823 | Communicating ladder between an upper level and a lower level of an aircraft, and an aircraft provided with such a ladder A ladder is positioned between a first hatch of an upper level of an aircraft and a second hatch of a lower level of the aircraft. A bottom end of the ladder is mounted in rotation on a floor of the lower level. A top end of the ladder is unattached. The ladder can ... | 09/08/2009 |
| 7401798 | Tailgate ladder A ladder assembly for a pick-up truck is pivotally connected with the truck tailgate for movement between a stowed position where the ladder assembly is held against the tailgate and an operable position when the tailgate is lowered and the ladder assembly extends b... | 07/22/2008 |
| 7354050 | Swing-away stair assembly The present invention provides a swing-away stair assembly including a pivot bracket assembly for supporting a stair body for pivotal movement on a work machine, such as a landfill compactor. The pivot bracket assembly includes a stair support sub-assembly having an... | 04/08/2008 |
| 7264253 | Truck tailgate step A tailgate step for use on a vehicle. The step includes a guide rail bracket. A sliding member is arranged within the guide rail bracket. A support arm is pivotally connected to an end of the sliding member. A fact plate is secured to the guide rail bracket. The ste... | 09/04/2007 |
| 7207416 | Reinforcement pad for protecting a swimming pool liner from becoming damaged by a swimming pool ladder A reinforcement pad for protecting a liner of a pool from damage caused by a user ascending and descending a pool ladder having two upper ends and two lower ends. The reinforcement pad has a substantially oval pad base and a substantially cylindrical socket extendin... | 04/24/2007 |
| 7198228 | Aircraft cabin crew complex A cabin crew area (10) of an aircraft (14) includes an aft area (16) with multiple galley carts (30). The aft area (16) has a fore/aft depth that is approximately equal to the depth of two or more of the galley carts (30). A... | 04/03/2007 |
| 7163084 | Adjustable ladder stabilizer An adjustable ladder stabilizer assembly composed of sturdy, lightweight components that can be temporarily or permanently affixed to the side rails of a ladder and adjusted to a variety of positions to provide lateral support. This stabilizer assembly can also be f... | 01/16/2007 |
| 7093441 | Gas turbine annular combustor having a first converging volume and a second converging volume, converging less gradually than the first converging volume A gas turbine engine combustor has inboard and outboard walls. A forward bulkhead extends between the walls and cooperates therewith to define a combustor interior volume. In longitudinal section, a first portion of the combustor interior volume converges from fore ... | 08/22/2006 |
| 7090049 | Aquatic ladder adapted for marine applications The aquatic ladder was designed for ease of use, rather than ease of storage. It has wide, deep treads, arranged like a staircase, with side and upper railings which make it easy to enter or exit the water, even by elderly people, tired individuals, those carrying a... | 08/15/2006 |
| 7080713 | Ladder assembly for vehicles A ladder assembly including a mounting system and a ladder that is adapted to be pivotally attached to a vehicle such as the tailgate of a truck bed. When the tailgate is opened, the ladder can be pivoted away from the vehicle bed to a substantially perpendicular po... | 07/25/2006 |
| 7077360 | Passenger sitting/sleeping arrangement In accordance with the present invention, there is provided a passenger accommodation arrangement for aircraft which provides both a highly efficient use of available aircraft space and a high level of comfort for passengers. In particular, the novel arrangement all... | 07/18/2006 |
| 7059813 | Guide system for a glass rack stake A guide is attached to the top of a glass rack on a glass transporting vehicle. When attaching a brace to the rack, the top stake is engaged to the guide. The guide automatically directs the top stake into its corresponding spot. ... | 06/13/2006 |
| 7051497 | Portable ladder for mounting a horse A portable ladder is presented for assisting a rider to mount a horse. The portable ladder is flexible and attaches to the saddle. The saddle need not be specially adapted to receive the portable ladder. The ladder may also be folded up for carrying or stowing while... | 05/30/2006 |
| 7033107 | Pre-cast deck, dock steps and dock system A pre-cast article of manufacture, system and method of manufacturing and constructing a deck, dock step(s) and dock is disclosed utilizing 2 main components, beam(s) and slab(s). Optional accessories are also disclosed that may be added such as hand rail(s), boat b... | 04/25/2006 |
| 7017709 | Marine safety ladder apparatus A buoyant marine safety ladder apparatus includes a ladder that is pivotably mounted to a seawall or other support platform and is alternatable between a retracted condition, wherein the ladder is floating above the water, and a deployed or extended condition, where... | 03/28/2006 |
| 7011045 | Pet ramp A generally horizontal platform has connected to a first end thereof a sloping ramp that extends into the water of a swimming pool. The ramp is provided with traction enhancing ribs to enable a pet to extricate itself from a pool should it accidentally fall in or ti... | 03/14/2006 |
| 7007961 | Retractable vehicle step A retractable step for use with a vehicle comprises a stepping member having a stepping deck, a first arm, a second arm, a motor and a stop. The first arm has a first end pivotally attached to the vehicle, and a second end pivotally attached to the stepping member. ... | 03/07/2006 |
| 6994362 | Attachment means for facilitating user access to vehicle platforms Improved selectively rotatable multipositionable step attachment for a vehicle platform and the like for not only facilitating safe user access to the platform, for loading and unloading same, when the step attachment is in an operative position, but also when it is... | 02/07/2006 |
| 6994184 | Stowable ladder configured for installation in an opening A folding ladder is configured for installation in an opening to provide access between one floor or space and another floor or space. The folding ladder includes, in one aspect, an upper ladder section having a left ladder rail and a right ladder rail, a lower ladd... | 02/07/2006 |
| 6986402 | Access device An access device for providing access between a lower substrate surface and an upper substrate surface. The access device includes upper and lower articulated ladder members. A first end of the upper member is pivotally connected to or near the upper surface. A seco... | 01/17/2006 |
| 6971478 | Tailgate ladder A ladder for a truck fitted with a pivotal tailgate, the ladder comprising a first leg portion pivotally coupled to a second leg portion, where at least one of the leg portions is fitted with at least one rung. An upper end of the first leg portion is pivotally atta... | 12/06/2005 |
| 6966597 | Tailgate assembly with integral steps A tailgate or side-gate for a vehicle, including a pickup truck, is disclosed that, when lowered, forms at least one step that is lower than the bed or floor of the vehicle. A more preferred embodiment forms at least two steps at different levels so that one may eas... | 11/22/2005 |
| 6955134 | Vessel, provided with a gang plank for coupling to an offshore pole structure A vessel provided with a telescopingly extendable gang plank mounted thereon for movement about a vertical axis. A coupling device provided at the free end of the gang plank is adapted to enclose a vertically directed engagement rod on an offshore pole body and thus... | 10/18/2005 |
| 6948588 | Track and hinge for a boat ladder A ladder system through which a ladder is retained on a deck of a watercraft by a track arrangement and positioned at a first location in an opening for an enclosure where the ladder is substantially vertical to the side of the watercraft to permit ingress/egress of... | 09/27/2005 |
| 6945189 | Boarding ladder mounting apparatus A bracket is attachable to the side of a boat or dock and a latch is removably coupled to said bracket. The latch is pivotally attached to the upper end of a boat ladder so that the ladder can swing and can be adjustably angled with respect to the dock or boat when ... | 09/20/2005 |
| 6942233 | Retractable vehicle step A retractable step for use with a vehicle comprises a stepping member having a stepping deck, a first arm, a second arm, a motor and a stop. The first arm has a first end pivotally attached to the vehicle, and a second end pivotally attached to the stepping member. ... | 09/13/2005 |
| 6938909 | Retractable vehicle step A retractable step for use with a vehicle comprises a stepping member having a stepping deck, a first arm, a second arm, a motor and a stop. The first arm has a first end pivotally attached to the vehicle, and a second end pivotally attached to the stepping member. ... | 09/06/2005 |
| 6932298 | Modular overhead privacy system A modular overhead privacy system for a mobile platform is provided. The modular overhead privacy system includes a plurality of independent privacy modules located longitudinally spaced apart, above a passenger cabin, in an overhead crown area of the mobile platfor... | 08/23/2005 |
| 6932193 | Boat bow access ladder for trailer A boat ladder attached to a trailer for easy access to a bow of a boat. The ladder comprises two side rails with spaced-apart steps or rungs between the side rails, the lower portion of one of the side rails curving a predetermined distance toward the other side rai... | 08/23/2005 |
| 6932192 | Boat stairs bracket A bracket to hold a boarding ladder to a boat. A quick release mechanism for both the ladder and the bracket itself are disclosed. A mounting plate is substantially flush with the side of the boat. The bracket slides down into the mounting plate and latches into pla... | 08/23/2005 |
| 6904862 | Track for locating a ladder with respect to a gate on a deck A track has a housing with a bore therein that extends from a first end to a second end, a linear slot at the top of the bore, a radial projection perpendicular to the linear slot, an axial groove in the bore, a plurality of radial openings that extend through the r... | 06/14/2005 |
| 6832667 | Vehicle-mounted mobile adjustable ramp system A vehicle-mounted system includes a platform that is attachable to a front and a rear of a vehicle. A main surface of the platform is located above the vehicle. One or more ramps are rotatably connected to the platform. Each of the ramps includes an extending portio... | 12/21/2004 |
| 6659225 | Stairway for enabling access to an overhead area within a fuselage of an aircraft A stairway module for use within a fuselage of an aircraft for enabling access to an overhead storage or sleeping area within the aircraft. One preferred embodiment discloses a spiral stairway module having a footprint no larger than a standard lavatory m... | 12/09/2003 |
| 6505708 | Ladder mounting system A ladder mounting mechanism is configured for mounting a ladder to a truck trailer. The truck trailer has at least one keeper member fixedly connected thereto. The ladder mounting mechanism includes a frame at least one moveable locking member moveably co... | 01/14/2003 |
| 6386318 | J. C. life ladder A pivotable type ladder assembly intended primarily as a life saving device for persons who accidentally fall into the water adjacent to the marine structure of a yacht basin or small boat marina. The ladder having two parallel side rails, with upper and ... | 05/14/2002 |
| 6378654 | Ladder pivotally attached to a generally vertically extending surface A ladder attached to a generally vertically extending wall or surface which is particularly useful when attached to the side of vehicles which can pivot outwardly to a slight extent at the bottom area thereof in order to increase the climbing inclination ... | 04/30/2002 |
| 6321873 | Ladder mounting system A ladder mounting mechanism is configured for mounting a ladder to a truck trailer. The truck trailer has at least one keeper member fixedly connected thereto. The ladder mounting mechanism includes a frame and at least one moveable locking member moveabl... | 11/27/2001 |
| 6209682 | Ladder assembly for track-type tractors Access to an operator station of a large track-type tractor is provided by a ladder support structure pivotally attached to a portion of the radiator guard of the tractor. The ladder support structure extends over a track of the tractor and has a ladder p... | 04/03/2001 |
| 6116378 | Universal, compact, truck tailgate ladder with support arms A universal, compact, truck tailgate ladder with support arms is disclosed, comprised of a folding ladder of otherwise conventional design, with upper leg members and lower leg members, and a series of parallel steps connecting each set of upper leg membe... | 09/12/2000 |