Famous Patents
The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 7281537 | Multi-station block-texture modifying system and block-spacer Disclosed herein is a block-texture-modifying apparatus for modifying the surface texture of blocks. The apparatus comprises a support for supporting blocks thereon, a multi-station block-texture modifier for engaging blocks on the support, and a translational displ... | 10/16/2007 |
| 6843242 | Method for consolidating natural stone blocks A method is described for repairing and consolidating a natural stone block (1), with internal fractures and structural discontinuities, in which around the block (1) a coating (2, 3, 4) is applied that wraps the block (1) below and along... | 01/18/2005 |
| 6234882 | Surface enhancement system for building blocks A system for enhancing the surfaces of building blocks by cutting or grinding away material from the surface to be enhanced. A building block is placed on a conveyer belt which moves the block passed three rotating cutting apparatus each of which is indep... | 05/22/2001 |
| 5992404 | Process and device for clearing out joints in masonry A process and a device for clearing out joints in masonry is disclosed. The clearing out is effected by producing a groove by high-pressure water jets that are so oriented and guided relative to one another and relative to the desired groove. Further, a g... | 11/30/1999 |
| 5496206 | Building block face enhancement apparatus An apparatus for enhancing the face of a masonry building block including a frame for supporting a conveyer belt, three cutting tools, rollers for constraining the building block and a water system for spraying the cutting tools and the building block. Th... | 03/05/1996 |
| 5018504 | Method and apparatus for cleaning used bricks A machine for cleaning mortar from used bricks and the like comprising a hopper for moving bricks onto a feeding position at one end of a channel, a ram for pushing one brick after another, each brick pushing a series of preceding bricks, from the feeding... | 05/28/1991 |
| 4557246 | Brick cleaning machine An apparatus for removing mortar from used bricks which includes breaker means for breaking and dislodging mortar, penetration means operable to penetrate a layer of mortar, and scraper means for scraping and providing a finished surface on a brick. The b... | 12/10/1985 |
| 4393856 | Apparatus for milling building blocks Apparatus for milling building blocks comprise a first arrangement for milling said blocks at a first side thereof, and a second arrangement for milling said blocks at a second side thereof. Apparatus are located between the mentioned first and second arr... | 07/19/1983 |
| 4256078 | Brick finishing machine Unfinished bricks are placed lengthwise on the inlet end of a first horizontal frame section, and are pushed one after another toward a discharge station at the opposite end of the section by a plurality of spaced flight bars, which are carried by an endl... | 03/17/1981 |
| 4004569 | Method and apparatus for removing set mortar from recovered building bricks A method of, and apparatus for, applying to the original set mortar adherent to the faces of a used brick components of force so directed as to remove the mortar from the faces. The forces are applied to the mortar on opposite side and edge faces of the b... | 01/25/1977 |
| 3965231 | Means and method for defeathering blocks Blocks are defeathered by a multiplicity of simultaneous blows from below repeated on a line transversely of the path of travel in conveying dried blocks away from drying racks at a block making machine. The blows are delivered by a series of washers hung... | 06/22/1976 |
| 3945151 | Apparatus for removing mortar from used brick Apparatus for removing mortar from opposite flat faces of a used brick including means supporting the brick on one of its flat faces for forward movement along a path, means adapted to advance the brick forwardly including means adapted to engage the bric... | 03/23/1976 |
