PENGO CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 294
 
  
 
B25G HANDLES FOR HAND IMPLEMENTS 113
 
  
 
E02F DREDGING; SOIL-SHIFTING 144
 
  
 
F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING 148
 
  
 
1503 AGRICULTURAL MACHINERY127
 
  
 
1509 MACHINE TOOLS, ABRADING AND FOUNDING MACHINERY128

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D778967 Step shank tooth holderJun 26, 15Feb 14, 17[1509]
D772305 Auger flight stabilizer gussetJul 21, 15Nov 22, 16[1503]
9127513 Variable geometry auger couplerSep 05, 12Sep 08, 15[F16B, B25G, E21B]
8615906 Drilling bucketApr 16, 12Dec 31, 13[E02F]
7669673 Auger having interchangeable cutting heads and method of using the sameJun 25, 07Mar 02, 10[E21B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0216,365 EXCAVATING TOOTH ASSEMBLY AND METHOD FOR ASSEMBLING AND USING THE SAMEAbandonedMar 07, 07Sep 11, 08[E02F]

Top Inventors for This Owner

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