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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
E02D FOUNDATIONS; EXCAVATIONS; EMBANKMENTS 221

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7104731 Divisible pile sleeveNov 28, 03Sep 12, 06[E02D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0294,842 METHOD AND DEVICE FOR ENVIRONMENTALLY FRIENDLY RAMMING UNDER WATERAbandonedJul 01, 13Nov 07, 13[E02D]
8500369 Method and device for environmentally friendly ramming under waterExpiredFeb 20, 07Aug 06, 13[E02D]
7308821 Arrangement for determining the penetration depth on putting in place supporting elements into a water bedExpiredAug 21, 97Dec 18, 07[E02D]
6012328 Method for calculating a penetrating depth when putting in supporting elements into a water bedExpiredMay 06, 99Jan 11, 00[E02D]
5088567 RAM device with eccentric driveExpiredDec 15, 89Feb 18, 92[B23B]
4872514 Drive unit for driving ramming parts under waterExpiredNov 14, 88Oct 10, 89[E02D]
4856938 Method of and arrangement for separating tubular foundation piles under waterExpiredDec 15, 87Aug 15, 89[E02D]
4817734 Submergible electrohydraulic drive unit for ramming and working devices to be used under waterExpiredDec 15, 87Apr 04, 89[E02D]
4818149 Method of and a drive unit for driving ramming parts under waterExpiredDec 15, 87Apr 04, 89[E02D]
4479550 Submerging ramming arrangementExpiredDec 14, 81Oct 30, 84[B23Q, B23B]
4408668 Impact transfer device for power ramsExpiredFeb 17, 81Oct 11, 83[B25D]
4371042 Fluid operated ramExpiredDec 31, 79Feb 01, 83[B25D, E21B]
4314613 Pile-driving recoil damping deviceExpiredSep 08, 80Feb 09, 82[B25D, E02D]

Top Inventors for This Owner

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