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 |
| 8006681 | Firing structure of paintball marker A firing structure of a paintball marker includes a marker body and a firing cylinder. The marker body includes a barrel with mutually communicating first and second gas chambers. A stop edge is formed in the barrel at a junction between the first and second gas cha... | 08/30/2011 |
| 7950380 | Adjustable paint ball gun triggers A paint ball gun trigger for easy of replacement and orientation change is disclosed, which includes a lower trigger body, an upper trigger body, and an orientation-setting unit. The lower trigger body includes at the top a lower-and-upper body connecting piece, whi... | 05/31/2011 |
| 7861704 | Paintball gun having internal pressure regulator A paintball gun having an internal pressure regulator is provided. The paintball gun includes a body, a launching tunnel, a rear lead shaft, the pressure regulator, and a back cover. A hollow barrel of the body allows the launching tunnel and the rear lead shaft to ... | 01/04/2011 |
| 7658186 | Multi-purposes mechanism for shooting apparatus A multi-purposes mechanism for shooting apparatus includes a gun body, a barrel, a shooting member, and a rear cap. The gun body comprises a hollow tube perpendicularly interconnecting with a first loading hole at a center portion of the hollow tube. A first stage i... | 02/09/2010 |
| 7581537 | Paintball gun with a pressure gauge device A paintball gun with a pressure gauge device includes a rear cap, a pressure gauge, and a canopy. The rear cap has a first end and a second end. The rear cap has a compartment at the first end adapted to accommodate the pressure gauge. The second end of the rear cap... | 09/01/2009 |
| 7500478 | Paintball gun percussion structure A paintball gun percussion structure includes a gun body, a triggering barrel and a rear guiding rod. The gun body has an air chamber adapted to receive the triggering barrel and the rear guiding rod. The air chamber comprises a first air passage way and a second ai... | 03/10/2009 |
| 7401607 | Paintball gun triggering mechanism A paintball gun triggering mechanism includes a front barrel, a rear barrel, a triggering barrel and a rear guide rod. A front end of the front barrel comprises a front ring formed inwardly and a retreating air inlet is provided behind the front ring. A front end of... | 07/22/2008 |
| 7290537 | Paintball gun A paintball gun utilizes pressurized air to fire a paintball to avoid using a spool protruding from a barrel to fire the paintball which may pinch the user's finger, accidentally. The paintball gun also uses a low pressure regulator to seal a port of the barrel to b... | 11/06/2007 |
| 7252080 | Paintball gun loading device A paintball gun loading device includes a gun body, a loading member and a funnel. The loading member comprises a fixture at an upper portion thereof. The fixture comprises a circular trough with a plurality of slots along the circular trough. A clamp sleeved on the... | 08/07/2007 |
| 7156135 | Quick-release connector structure for an air tank A quick-release connector structure for an air tank includes a connector body incorporated with an air tank and a seat block. The seat block is secured to the air tank and comprises a valve having a post extending forwardly. The valve is acting as a switch to turn t... | 01/02/2007 |
| 7045726 | Pressure regulator for a paint ball gun A pressure regulator for a paint ball gun includes a cylinder, a piston unit, an elastic member, a top connector and a switch bolt. The cylinder includes upper and lower chambers. The piston unit includes a ring plate and a tube. The ring tube is disposed in the upp... | 05/16/2006 |
