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For the Inventor, By the Inventor

Duisburg, Germany

Gerhard Krug

USPTO Granted Patents = 5

Average Co-Inventor Count = 3.4

ph-index = 4

Forward Citations = 156(Granted Patents)


Location History:

  • Dusseldorf, DE (1979)
  • Duisburg, DE (1991 - 2003)

Company Filing History:

goldMedal4 out of 1,150 
 
Mannesmann Aktiengesellschaft
 patents
silverMedal1 out of 1 
 
Vallourec Mannesmann Oil & Gas Germany Gmbh
 patent

Years Active: 1979-2003

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5 patents (USPTO):Explore Patents
1. 6585299 - Pipe connector (2003-07-01),
2. 6513840 - Drill rod coupling (2003-02-04),
3. 6511102 - Pipe connector (2003-01-28),
4. 5048871 - Screwed pipe joint (1991-09-17),
5. 4153283 - Casing joint (1979-05-08),
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