U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?

Newsletter  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.

 

Class 175/13 - With introduction of slag forming flux


Subclass of Class 175 - Boring or penetrating the earth
Definition: Subject matter in which a chemical compound is directed
No. of patents: 1
Last issue date: 10/14/1980


NumberTitleIssue Date
4227582Well perforating apparatus and method
A method and apparatus for perforating a well casing and surrounding formation are disclosed. The perforating apparatus includes a laser source for projecting a high intensity laser beam transversely through the well bore and surrounding formation and a n... 		10/14/1980
 
Sign InRegister
Username  
Password   
forgot password?