Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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 |
| 8029003 | Skate with adjustment unit A skate comprises a soleplate member including a heel support and a toe support overlapping and adapted to slide with respect to the heel support in a longitudinal axis and fixed in a desired position as to achieve a desired length of the soleplate member; wherein t... | 10/04/2011 |
| 7789399 | Size-adjusting fastening mechanism for ice skates The present invention relates to a size-adjusting fastening mechanism for stakes comprising fixed locking grooves and a movable locking convex block, whereby when one of the grooves engages with the convex block, tooth position is loosened and toecap is telescopic u... | 09/07/2010 |
| 7407168 | Size adjusting mechanism for inline roller skate A size adjusting mechanism for inline roller skate includes a boot seat, and a toe cap longitudinally movably mounted above the boot seat. An engaging element is controlled by a control element to transversely slide in the boot seat. The control element has a curved... | 08/05/2008 |
| 7314222 | Adjustable skate A skate having a base adapted to support a user's boot, a frame equipped with a plurality of wheels and having a transverse arch in its central portion, at least one rear quarter capable of sliding on the base and adapted to surround the heel zone and the lower leg ... | 01/01/2008 |
| 7309109 | Axle extension An axle extension assembly for extending an axle having a longitudinal axle bore. The axle extension assembly includes a shaft having an axle bore insert portion that is adapted for insertion in the longitudinal axle bore. The axle bore insert portion includes a bor... | 12/18/2007 |
| 7290773 | Glide sport article, especially ice skate For a glide sport article, especially an ice skate with a shoe body that is located on a chassis and that includes a cap-like shoe tip forming the toe area of the shoe body, a shoe body section forming the heel area and an ankle support, lacing on the shoe body sect... | 11/06/2007 |
| 7278641 | Adjustable skate An adjustable skate includes a boot, a liner, and an adjusting device. The boot includes a toe cap, a heel portion, and a sole. The liner is mounted in the boot and includes a bottom plate and a toe box. A chamber is defined between the toe box and the heel portion ... | 10/09/2007 |
| 7246803 | Tool-less size-adjustable in-line skate A size-adjustable in-line skate having a base carrying a plurality of wheels thereon. An upper is secured to a top surface of the base and defines a heel portion, a toe portion, and diametrically opposed side wall portions. The upper is supported by a support struct... | 07/24/2007 |
| 7216874 | Inline skate with an adjustable length An inline skate with changeable length has an inner boot, an adjusting device, an outer boot and a wheel assembly. The adjusting device is attached to the inner boot and comprises a block and a key. The block has a longitudinal adjustment slot and a transverse slot ... | 05/15/2007 |
| 7216889 | Bindings for ski boots for snowboards A binding (2) which retains a boot (11) on a snowboard (1) includes a base member (4). Rear walls (8a, 8b) and a rear arch (9) with a rear portion (21) of the base member support a heel of the boo... | 05/15/2007 |
| 7201387 | Telescoping skateboard A telescoping skateboard having a telescoping member, a toe positioning location on one end of the telescoping member and a heel platform at the other end of the telescoping member. A front wheel assembly is attached to the front of the telescoping member and a rear... | 04/10/2007 |
| 7175186 | Skate with an adjustable sole plate A skate with an adjustable sole plate has a sole plate and a boot mounted on the sole plate. The sole plate has a front body and a rear body. The front body has a locking element mounted on the front body, and the rear body of the sole plate has at least one key for... | 02/13/2007 |
| 7175187 | Wheeled skate with step-in binding and brakes The present invention teaches an apparatus and method for removably securing an article of footwear suitable for walking, running, or bicycling to a wheeled skate. Further, the present invention also teaches a brake device for use with a wheeled skate. In addition, ... | 02/13/2007 |
| 7168188 | Article footwear with removable heel pad An article of footwear includes a sole assembly, an upper secured to the sole assembly, a heel counter secured to the upper, and a heel pad removably attached to an inner surface of the heel counter. ... | 01/30/2007 |
| 7152865 | Heel adjustable skate A skate includes a holder frame, a boot, and a locking mechanism. The boot comprises a toe box and a heel portion, wherein the toe box is fixedly attached to the holder frame and wherein the heel portion engages the holder frame such that the heel portion is capable... | 12/26/2006 |
| 7144018 | In-line skate There is disclosed an in-line skate with an adjustable length. The in-line skate includes a heel support, a toe support, a positioning element, a pushing element, and a switch. The heel support includes two parallel transverse grooves near a flank, a cavity near an ... | 12/05/2006 |
| 7137635 | Expandable in-line skate A skate (200) having a frame (226) adapted to support a plurality of wheels (228) and a base (214) disposed above the frame. The base includes a platform (280) having a longitudinal rail (282) with a plurality of locking det... | 11/21/2006 |
| 7070193 | Skateboard truck mounting system The Skateboard Truck Mounting System is a mounting system for the attachment of a skateboard wheel truck to the deck of a skateboard. This system provides quick and easy adjustment to incrementally reposition a skateboard wheel truck assembly in a number of predeter... | 07/04/2006 |
| 7017301 | Transmission rod for accessories for windows and doors A transmission rod for accessories for windows and doors having a first and a second end provided with respective connectors. The transmission rod has a first elongated element having the first end and a second elongated element having a second end. The first and se... | 03/28/2006 |
| 7014196 | Method of manufacturing in-line roller skate with detachable boot A method of fabricating an in-line roller skate is provided. The in-line roller skate has a chassis (2;39) equipped with at least two rollers (3) and two platforms (4, 5; 34; 47) and a boot (1; 30). The boot has a supple upper connected t... | 03/21/2006 |
| 6983942 | Adjustable skate A skate comprises a chassis with a variable length boot disposed thereon. The variable length boot includes a heel portion fixedly disposed upon the chassis and a toe box slidably disposed upon the chassis. The toe box is slidable in relation to the heel along the l... | 01/10/2006 |
| 6955361 | Gliding sports equipment, such as a skate, a frame for such sports equipment, and a line of such frames A frame for an article of sports equipment, such as a frame for a skate, such as a roller skate, including a front upper portion provided to receive the front portion of a boot, and a rear upper portion provided to receive the rear portion of a boot. The front upper... | 10/18/2005 |
| 6918602 | Roller skates with adjustable longitudinal dimension A roller skate with an adjustable longitudinal dimension for adjusting the dimension of the shoe cap of the roller skate includes an anchor section under a two-piece shoe cap that has a first coupling section. An adjusting bolt is provided on the truck with a second... | 07/19/2005 |
| 6918601 | Tool-less size-adjustable in-line skate A size-adjustable in-line skate having a base carrying a plurality of wheels thereon. An upper is secured to a top surface of the base and defines a heel portion, a toe portion, and diametrically opposed side wall portions. The upper is supported by a support struct... | 07/19/2005 |
| 6916027 | Adjustable skate A skate comprises a chassis with a variable length boot disposed thereon. The variable length boot includes a toe portion fixedly disposed upon the chassis and a heel portion slidably disposed upon the chassis. The heel portion is slidable in relation to the toe por... | 07/12/2005 |
| 6883812 | Size adjustable in-line skates An in-line skate includes a sole plate having wheels rotatably connected to the underside of the sole plate and two elongated first slots are longitudinally defined through the sole plate. A rear portion of vamp is connected to a connection wall on the sole plate. A... | 04/26/2005 |
| 6874795 | Wheeled skate device A wheeled skate device has a pair of large primary wheels coupled to a platform. The primary wheels rotate about primary axes of rotation in both forward and rearward directions. A binding can be disposed on the platform to secure the user's feet. The primary axes a... | 04/05/2005 |
| 6851683 | Adjustable in-line skate An adjustable in-line skate has a rigid frame, a plurality of wheels rotatably secured to the frame in a line, a sole plate secured to the frame having a heel portion and a toe portion, and a boot mounted on the sole plate. The boot has a toe shell and a separate he... | 02/08/2005 |
| 6827355 | Adjustable skate An adjustable skate includes a boot and a liner. The boot includes an upper and a sole, the upper including a toe cap and a heel portion. The liner is mounted in the boot and includes a bottom plate slidably mounted on the sole and a toe box provided on a front end ... | 12/07/2004 |
| 6786493 | Easily adjusted skate An easily adjusted skate includes a front seat, a rear seat and a buckle structure for connecting the front seat and the rear seat. The buckle structure is formed by a round lower cover, a buckle, and a tooth bank. An upper side of the lower cover has a confining se... | 09/07/2004 |
| 6746027 | Adjustable skate having a bladder An adjustable skate includes a boot, a liner, and a bladder. The boot includes an upper and a sole, the upper having a toe cap and a heel portion. The liner is mounted in the boot and includes a bottom plate slidably mounted on the sole and a toe box on a front end ... | 06/08/2004 |
| 6712395 | Footwear capable of being used interchangeably as a jumpshoe or roller skate A dual-purpose sports footwear is formed of a boot, an elastic plate, an arcuate outer plate, and a wheel mount plate. The boot has an arcuate inner plate which is detachably fastened to the elastic plate. The arcuate outer plate is detachably fastened to the elasti... | 03/30/2004 |
| 6688613 | Roller skating device A roller skating device combining advantages of conventional roller and in-line skates, and skateboards is presented. A "boot" (as defined herein) for snugly encasing a selected foot of a user has an undercarriage, i.e. a frame, connected to it in fixed r... | 02/10/2004 |
| 6669210 | Adjustable ice skate An ice skate comprising a boot modifiable in length disposed on a blade holder frame, and a locking mechanism. The blade holder frame includes a recessed surface disposed on a forward section of the blade holder frame longitudinally along a longitudinal a... | 12/30/2003 |
| 6648346 | Frame for a sport article A frame for a sports article, especially a frame for a roller skate, including a front upper portion provided to receive the front portion of a boot, and a rear upper portion provided to receive the rear portion of a boot. The front upper portion and the ... | 11/18/2003 |
| 6612592 | Skate with a size-adjustable boot A skate includes a base, an adjusting member, and a boot including a front portion and a rear portion. The front portion is provided on a front portion of an upper side of the base. The rear portion is secured in place when the adjusting member is in its ... | 09/02/2003 |
| 6588771 | Adjustable fit in-line skate An adjustable fit in-line skate is disclosed having a rigid frame carrying a plurality of skate wheels. A boot is secured to the frame with the boot having a toe portion and a heel portion. The heel portion has a sole plate which is carried over the lengt... | 07/08/2003 |
| 6550789 | Detachable in-line skate conversion apparatus At least one walking member is detachably connectable to an in-line skate to enable the wearer of the in-line skate to connect the walking member to the in-line skate, thus enabling the wearer to walk while wearing the in-line skate. Two walking members c... | 04/22/2003 |
| 6547261 | Adjustment device, particularly for adjusting the size of an in-line roller skate An adjustment device, particularly for adjusting the size of an in-line roller skate composed of a frame connected to the wheels and to the heel unit of a shell to which a cuff is articulated. A toe unit for containing an innerboot is slidingly connected ... | 04/15/2003 |
| 6523836 | Wheel assembly for roller skate A wheel assembly for a roller skate. The wheel assembly mainly includes a pivotal seat, a singular locking member and a wheel set. The pivotal seat includes a first end pivotally connected to a sole base by a mounting member for convertibly moving between... | 02/25/2003 |