The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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 |
| 7080426 | Carpet stair rod set A bracket for retaining a stair rod includes a first bracket portion defining a first bracket plane for affixing the first bracket portion to a stair and a second bracket portion rotatably coupled to the first bracket portion for rotation between bracket open and br... | 07/25/2006 |
| 6647588 | Temporary securing device for a stair runner A device for temporarily securing a stair runner on a staircase comprises an elongated shaft. An extension member extends from a first end of the shaft and is biased outward from the first end of the shaft, such that the extension member is movable from a... | 11/18/2003 |
| 6447692 | Nanometer sized phase change materials for enhanced heat transfer fluid performance A composition for enhanced heat transfer fluid performance, comprising a base heat transfer fluid and a nanometer sized phase change material. Introduction of nanometer sized phase change material into the heat transfer fluid leads to improved, high rever... | 09/10/2002 |
| 6338179 | Carpet rod brackets and carpet rod assemblies using the same A bracket 107 for retaining a stair rod 106 includes a first portion 301b for affixing to a stair including means 304 for securing a finial thereto and a seat 301/302 for receiving an end of the corresponding stair rod 106. A second portion 301b is rotata... | 01/15/2002 |
| 5960516 | Stair rod bracket and stair rod set A stair rod set having a pair of finials, a stair carpet retaining rod, and a pair of slidably interconnecting stair rod brackets. The slidably interconnecting stair rod brackets each have a top portion and a bottom portion. Each bracket has travel stop t... | 10/05/1999 |
| 5465459 | Stairway carpet fastening device A device for fastening carpet covering to stairways. A prefabricated strip fastener of plastic or similar material preformed or capable of being formed in the field to have two legs and fixedly positioned on its legs, tackless holding pins for carpets and... | 11/14/1995 |
| 4918782 | Carpet fastener A fastener for securing carpet in place on the treads of staircases or elsewhere includes an anchor member having a boss at one end which extends out of the carpet and a relatively thin flat arm which extends under the carpet and which is fastened to the ... | 04/24/1990 |
| 4864685 | One piece hospitality stair bracket for rugs A brass stair bracket to fasten down oriented rugs/carpets edges on stairways. The bracket will reduce side-to-side movement of the rug, and it will reduce stress on carpet tack/staples as well as add to the decor. The new one-piece construction will aid ... | 09/12/1989 |
| 4258898 | Plaster surface finishing device A device for finishing a wet plaster surface is disclosed. The device of the present invention comprises a finishing tool holder which includes a handle engaging lower end. An upper end of the holder broadens to a planar fan shape, and the upper end is no... | 03/31/1981 |
| 4180888 | Door closer A door closer includes a horizontally disposed inner cylinder receiving oil therein, an outer cylinder surrounding the inner cylinder and receiving gas and oil in an annular spaced defined around the inner cylinder, a piston slidably fitted in the inner c... | 01/01/1980 |
| 4011632 | Corner protector for strapped stacks A protective corner shield for use with strap-bound stacks of cartons or the like is provided to prevent a highly tensioned strap from damaging the corners of the stack. The shield is formed with two flat legs substantially perpendicular to one another ha... | 03/15/1977 |