Bizarre Patents
Pizza Pie With Concentric Rings of Crust
A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.
PatentStorm News
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 |
| 4150467 | Method and mandrel for blind riveting A method in blind riveting comprises the step of using a mandrel which is withdrawn completely through the tubular rivet for setting the rivet, as a drill for cutting the hole through which the shank of the rivet is to be inserted. The hole is cut by mean... | 04/24/1979 |
| 4138779 | Process and device for mounting a fastening element to a composite panel A process and device are described by which means fastening elements are mounted onto one side of a composite panel. The rigid fastening element has an expandable claw at its head which is placed in a recess in the composite panel by using a conventional ... | 02/13/1979 |
| 4026186 | Self-drilling one-piece masonry anchor An expansion anchor device for use in masonry structure which is capable of drilling a hole in the structure and being set without the necessity of removal of the device from the hole. A drill tip portion with a conical upper region is interconnected to a... | 05/31/1977 |
| 3990343 | Rivets for securing end connectors to conveyor belts Rivets to be used for securing end connectors to cord-reinforced conveyor belts and having a body with a head at one end and a bore at the other end, are disclosed. To facilitate driving such a rivet through the belt, a sharp-pointed elongated mandrel is ... | 11/09/1976 |
| 3935786 | Self-drilling rivet A self-drilling and blind setting rivet assembly for power tool application to workpiece means including a hollow rivet sleeve with an enlarged head at one end. A mandrel with a drill point at one end positioned through the bore of the sleeve so that the ... | 02/03/1976 |
