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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 |
| 7758022 | Pneumatic carpet stretcher A carpet stretcher for stretching carpet is provided. The carpet stretcher comprises a gripping portion having a first end and a second end and a pneumatic portion having a first end and a second end. An interchangeable moving head is releasably secured to the first... | 07/20/2010 |
| 7222898 | Carpet kicker A carpet kicker includes a housing with a containing space, a front end and a rear end; a handle above the housing; a motive power device in the containing space, a motor supplying electric power and controlled by a switch and coupled to a reducer, a first gear at a... | 05/29/2007 |
| 7175161 | Power carpet kicker A power carpet kicker is disclosed. The power carpet kicker includes a main frame portion, having a head portion and a rear portion. The head portion of the main frame portion includes a grip mounted on the head portion to grip a section of carpet to be stretched. T... | 02/13/2007 |
| 7159850 | Pneumatic carpet stretcher A pneumatic carpet stretcher includes a pneumatic actuator, a piston rod actuated by the pneumatic actuator driving a carpet gripping stretcher head towards an anchor pivotally mounted on a frame to the actuator and releasably mounted behind a tack strip on a floor ... | 01/09/2007 |
| 7140597 | Carpet stretching device A carpet stretching device includes a housing, a piston unit, a carpet gripping head connected to the housing, a fluid supply unit connected to the housing, and an anchor member. The housing has front and rear ends, and a receiving space between the front and rear e... | 11/28/2006 |
| 7114704 | Stabilizing device for a carpet stretcher A carpet stretcher is provided with the improvement of a stabilizing apparatus and method that attaches to a carpet stretching tool to prevent the carpet stretching tool and any of its additional stretcher tubes from bending or bowing when utilized to stretch carpet... | 10/03/2006 |
| 7055803 | Carpet stretching apparatus A carpet stretcher including a power stretcher head coupled to one end of an extension pole, a power stretcher tail piece coupled to one end of a second extension pole, one or more stretcher extensions intermediate said first and second extension poles and coupled t... | 06/06/2006 |
| 6698721 | Shock-absorbing carpet kicker A shock-absorbing carpet kicker for positioning and stretching carpet is disclosed. The carpet kicker includes an engaging head with forwardly-inclined pins for engaging carpet materials on a floor, a shaft connected to the engaging head and extending the... | 03/02/2004 |
| 6669173 | Dual purpose pneumatic floor covering device A dual purpose pneumatic floor covering device having two operating modes, one for straightening and laying wood slats, and a second for stretching and rendering taut carpeting. The device comprises a housing containing a pneumatic cylinder for applying a... | 12/30/2003 |
| 6371446 | Hand-held pneumatic carpet stretcher A hand-held pneumatic carpet stretcher powered by an associated air compressor, or other source of compressed air, is used to eliminate wrinkles during the installation of wall-to-wall carpet. The carpet stretcher comprises a gripper plate, pile teeth, an... | 04/16/2002 |
| 5472170 | Stretching method and apparatus A carpet stretching assembly is disclosed which includes a ladder-type mounting structure engaged by releasable stretching member. The stretching member are actuated by a hydraulic ram or ratchet jack to engage the mounting structure and thereby apply for... | 12/05/1995 |
| 5445254 | Tensioning mechanism for vehicle auxiliary seat A tensioning mechanism for a vehicle auxiliary seat which spans a space between first and second adjacent structures. In a preferred embodiment, the tensioning mechanism includes a; ratchet having a telescopically extended ratchet arm and wherein the ratc... | 08/29/1995 |
| 5228660 | Power operated carpet stretching tool A power operated carpet stretcher comprising a frame having a bottom surface provided with prong members positioned and sized to grasp a carpet. A hook is slidably mounted on the frame to engage a slat fixed to the floor adjacent a wall edge. The hook is ... | 07/20/1993 |
| 5145225 | Carpet stretcher A carpet stretcher assembly is provided having a retractable carpet engaging head that can be pneumatically driven by a cylinder assembly. The carpet engaging head is connected to the pneumatic cylinder assembly by a flexible connection whereby the carpet... | 09/08/1992 |
| 4770593 | Sample changer for X-ray diffractometer A sample changer for powder X-ray diffractometry includes a cylindrical dispensing container for holding a stack of pre-test sample holders, a cylindrical receiving container for holding a stack of post-test sample holders and a changer arm which automati... | 09/13/1988 |
| 4084787 | Carpet installation tool A carpet installation tool comprises a portable body which is forwardly equipped with a spring tensioned anchoring blade to engage behind a tackless carpet strip. The body downwardly carries a carpet gripper head which includes a plurality of pins suitabl... | 04/18/1978 |
| 4042211 | Portable device for stretching and installing carpet A portable device for stretching carpet and the like for installation over a floor surface comprises a cylinder carried by a handle member having a spring biased piston slideably carried therein, a piston rod connected to the piston extends through one en... | 08/16/1977 |
| 4008879 | Carpet stretcher A carpet stretcher arranged for pneumatic actuation in stretching residential and commercial carpet at the time of installation includes an elongated frame and a plurality of movable pneumatic cylinder mounts thereon and at least one pneumatic cylinder an... | 02/22/1977 |
| 3977651 | Dynamic carpet stretcher A carpet tightening device enabling a suitable tightening force to be applied to a portion of a carpet without requiring substantial force to be delivered by the operator's knee, comprising an elongate housing having a knee pad mounted at its rear end, an... | 08/31/1976 |
| 3951382 | Automatic carpet kicker An automatic carpet kicker having a spring-propelled carpet-engaging head that is retractable by a foot-operated mechanical linkage.... | 04/20/1976 |
