Assignee
BERKEL & COMPANY CONTRACTORS I
US·5 granted patents·198 citations·filing 1989–2004
Top patents by PatentIndex Score
5 records- 0193US6033152APile forming apparatusBERKEL & COMPANY CONTRACTORS I·Filed 1998·Granted Mar 7, 2000·87 cites·24 claims
- 0277US4966498APile-forming apparatus for use in low density overburdenBERKEL & COMPANY CONTRACTORS I·Filed 1989·Granted Oct 30, 1990·37 cites·9 claims
- 0369US5542786AApparatus for monitoring grout pressure during construction of auger pressure grouted pilingBERKEL & COMPANY CONTRACTORS I·Filed 1995·Granted Aug 6, 1996·33 cites·1 claims
- 0459US7198434B2Full-displacement pressure grouted pile system and methodBERKEL & COMPANY CONTRACTORS I·Filed 2004·Granted Apr 3, 2007·20 cites·20 claims
- 0546US5242027ACleaning device for earth augersBERKEL & COMPANY CONTRACTORS I·Filed 1992·Granted Sep 7, 1993·21 cites·8 claims
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