...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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| Number | Title | Issue Date |
| 7980379 | Conveyance device A conveyance device has two endless arrangements of tread steps, step plates or pallets driven in a transportation direction by a drive. Adjacent to a first longitudinal side of the first arrangement is a first balustrade with a handrail, and adjacent a second longi... | 07/19/2011 |
| 7950515 | Moving walkway The invention relates to a moving walkway formed by a series of pallets (1) with a rectangular contour having a passable surface and connected with drive means. The pallets are consecutively connected to one another along the end sections of their adjacent pa... | 05/31/2011 |
| 7431139 | Escalator guide system A compactly constructed guide system has a run surface for guiding the run of the chain rollers. To guide the sides of the steps, a sliding pin arranged on a step rests on a side surface. A counter-surface serves as a counter-guide for the chain rollers and prevents... | 10/07/2008 |
| 7357241 | Device for restraining the rise of a step roller of a people conveyor People conveyor (2) including an endless conveyor band (4) extending through an inclined portion (6), a first and a second turnaround portions (8) and a return portion (5) of an endless path and comprising a plurality of steps (... | 04/15/2008 |
| 7222713 | Step attachment on the step chain of an escalator The invention pertains to an escalator (2) with an endless stair band (6) that is composed of several interconnected steps (4), wherein a step (4) contains a walking surface (16) and a front side (18) and is connected to res... | 05/29/2007 |
| 7159705 | Passenger conveyor device A plurality of steps 33 are connected to a pair of step chains 32 wound around step chain sprockets 30. The step chain sprockets 30 drives the step chains 32 to turn the step chains 32 through a forward path 43a | 01/09/2007 |
| 6868956 | Footboard element fastening for passenger conveyors A passenger conveyor (2) contains an endless passenger conveyor belt (6) that is composed of several interconnected footboard elements (4), wherein the footboard elements (4) are respectively connected to transport chains (8) that ... | 03/22/2005 |
| 6450316 | Escalator with step flange An escalator system includes a protective flange assembly along edges of the steps having step flanges. In one example, a first step flange member is adjacent each edge of each step and moves with the step along the escalator path. The first panel member ... | 09/17/2002 |
| 5944164 | Assembly method for steps or pallets of escalators or moving sidewalks A method for the assembly/dismantling of axles and/or the steps or pallets of escalators or moving sidewalks includes providing between parallel extending traction elements a plurality of axles and connecting the axles to the traction elements. The axles ... | 08/31/1999 |
| 5899314 | Terminal rail for passenger conveyor A terminal rail for a passenger conveyor including an inner and outer guide rails is disclosed. According to the terminal rail, a portion on which the rear wheel roller is initially contacted with the outer guide rail includes a damper placed between an e... | 05/04/1999 |
| 5829570 | Terminal rail system for escalator A terminal rail system for an escalator includes an escalator step having a step front roller and a step rear roller, an upper guide rail for guiding the step front roller, a lower guide rail for guiding the step rear roller, a semicircular inner casing a... | 11/03/1998 |
| 5595278 | Pallet for a conveyor A pallet for a conveyor includes a first connector, a second connector, and a link engaging the connectors of adjacent pallets. The link permits the connectors of adjacent pallets to move relative to each other through an arcuate path. This arrangement fo... | 01/21/1997 |
| 5219060 | Step axle for escalator The step axle of an escalator is made with an inner, higher strength core piece and an outer, lower strength sleeve. The core is telescoped into the sleeve with opposite ends of the core projecting beyond corresponding outer ends of the sleeve. The step c... | 06/15/1993 |
| 5205391 | Adhesive attaching system A system is provided for adhesively attaching a first member to a generally planar portion of a second member. The system includes an attachment clip having a first, generally planar portion and a second portion remote from the first portion adapted for a... | 04/27/1993 |
| 5072821 | Escalator/people mover bearing An escalator or people mover having steps or pallets which are supported by axles that are driven by a step chain, utilize a split bearing disposed between the axle and the step or pallet. The split bearing allows for rapid replacement of a worn bearing. ... | 12/17/1991 |
| 4130192 | Transportation apparatus Transportation apparatus including an endless belt having platforms, pallets or steps attached thereto. The endless belt is driven in a guided loop through load bearing and return runs interconnected by turn-arounds at the ends of the loop. Guide rollers ... | 12/19/1978 |