Patents by Inventor Daniel Jacquet

Daniel Jacquet has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Bubble tubes for spirit levels
    Patent number: 4347088
    Abstract: A method for manufacturing a bubble tube for a bubble level, comprising the following stages:completely filling a barrel-shaped machined cavity (9) in the tube with suitable liquid such that the entire hollow part of the bubble tube is full;positioning a plug (14), comprising a cavity of which the precisely determined inner shape corresponds to the required bubble volume, into the seat (13);joining the plug to the body of the bubble tube.Application: to the precision-manufacture of bubble tubes by mass production.
    Type: Grant
    Filed: December 15, 1980
    Date of Patent: August 31, 1982
    Assignee: Stanley Mabo S.A.
    Inventor: Daniel Jacquet