Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 7011163 | Horseshoe including calks The present invention teaches a horseshoe including a plurality of calks for enhancing traction. The calks are located on sloped interior side wall portions of the horseshoe. Each calk includes a small rounded leading end and a rearwardly and outwardly tapered surfa... | 03/14/2006 |
| 5230384 | Horseshoe assembly having glide clips and metal studs The horseshoe assembly of the present invention comprises a U-shaped pad member having one or more glide clips attached thereto around its outer circumference. Each of the glide clips has a glide surface protruding a short distance below the bottom surfac... | 07/27/1993 |
| 5180017 | Horseshoe having replaceable horseshoe pad A replaceable horseshoe pad is disclosed for use with a shoe plate. The horseshoe pad comprises a cushioning sole plate and a plurality of ground contacting cleat-like members each jointed to, and extending outwardly from the sole plate. The cleat-like me... | 01/19/1993 |
| 5165481 | Horseshoe The present invention is an improved horseshoe intended for use in competitive situations. It is specifically designed to conform to the anatomical structure of the horse's hoof, and to have little effect on the performance of the horse, either due to wea... | 11/24/1992 |
| 5158143 | Ribbed horseshoe A lightweight horseshoe particularly suitable for competitive events requiring high maneuverability, the horseshoe including a body having a plurality of sharp ribs extending from the shoe ground engaging face. Four ribs are employed across the shoe body ... | 10/27/1992 |
| 5048614 | Metal re-enforced resilient horseshoe A composite horseshoe made of a resilient urethane material and containing therein four separate, spaced apart metal inserts. The first metal insert forms a core in the shape of a horseshoe and lies entirely within the resilient horseshoe. The second and ... | 09/17/1991 |
| 5004052 | Horseshoe The horseshoe includes a traction surface having a toe portion defining a pair of parallel calks and a pair of side portions defining a plurality of inner and outer calks. The calks have a truncated wedge shape designed to increase traction and minimize t... | 04/02/1991 |
| 4721165 | Horseshoe Horseshoe device (10) having a squared off toe portion (12) including branches (14,16) with heel portions (18,20) in which the front edge (30) of the toe portion is straight or linear across its front. The edge (30) extends under the toe of the hoof (H) a... | 01/26/1988 |
| 4265315 | Horseshoe with a continuous wedge-shaped calk A multi-purpose horseshoe which is light in weight and yet strong and durable, the horseshoe including a lightweight, aluminum U-shaped foot portion which has a continuous groove formed along substantially its entire length and continuous steel calk runni... | 05/05/1981 |
| 4253526 | Horse shoe A horse shoe is disclosed comprising on its underface intended for engagement with the ground a rib along at least part of its inner edge, made of a plastically deformable material, the rib being formed with an extra thickness extending substantially from... | 03/03/1981 |
| 4207947 | Means for increasing traction in racehorse horseshoes An insert for use with a racehorse shoe having a front end calk, the insert being a plate able to be nailed to the horse's hoof between the shoe and the hoof, the plate having a forward curved edge to generally conform to the front edge of the hoof, area ... | 06/17/1980 |
| 3952807 | Device for preventing horses' hooves sliding on ice or snow Anti-snow and anti-ice protection for horses hooves in which an insert is provided in the horse-shoe and part of the elastically deformable U-shaped insert conforming to and coextensive with the inside edge of a horseshoe and in resilient engagement with ... | 04/27/1976 |
