Assignee
NORDBERG INC
US·21 granted patents·389 citations·filing 1987–1998
Top patents by PatentIndex Score
21 records- 0189US4750681AApparatus for high performance conical crushingNORDBERG INC·Filed 1987·Granted Jun 14, 1988·43 cites·17 claims
- 0286US4756484AVertical shaft impact crusher with interchangeable crusher ring segmentsNORDBERG INC·Filed 1987·Granted Jul 12, 1988·43 cites·17 claims
- 0385US4956078AFeed prestratification attachment for high efficiency vibratory screeningNORDBERG INC·Filed 1989·Granted Sep 11, 1990·54 cites·14 claims
- 0484US5029761ALiner wear insert for vertical shaft impactor rotorNORDBERG INC·Filed 1989·Granted Jul 9, 1991·35 cites·9 claims
- 0578US5602945AThrust bearing for use in a conical crusherNORDBERG INC·Filed 1996·Granted Feb 11, 1997·36 cites·23 claims
- 0676US4750679AApparatus for energy efficient comminutionNORDBERG INC·Filed 1987·Granted Jun 14, 1988·21 cites·11 claims
- 0763US5031843ACrushing coral limestone using water additionNORDBERG INC·Filed 1990·Granted Jul 16, 1991·25 cites·4 claims
- 0859US5820045AConical Crusher having a single piece outer crushing memberNORDBERG INC·Filed 1996·Granted Oct 13, 1998·16 cites·20 claims
- 0957US5806772AConical gyratory grinding and crushing apparatusNORDBERG INC·Filed 1996·Granted Sep 15, 1998·22 cites·19 claims
- 1053US5372318ARetention and positioning device for high energy absorbing padsNORDBERG INC·Filed 1993·Granted Dec 13, 1994·16 cites·19 claims
- 1151US5850978ASelf tightening mantle retention assembly for gyratory conical crushersNORDBERG INC·Filed 1996·Granted Dec 22, 1998·15 cites·21 claims
- 1245US5769339AConical gyratory mill for fine or regrindingNORDBERG INC·Filed 1996·Granted Jun 23, 1998·10 cites·20 claims
- 1343US5092529AApparatus for manipulation of impactor hammersNORDBERG INC·Filed 1990·Granted Mar 3, 1992·12 cites·18 claims
- 1442US5738288AConical crusher having a single piece inner crushing memberNORDBERG INC·Filed 1996·Granted Apr 14, 1998·8 cites·22 claims
- 1537US6065698AAnti-spin method and apparatus for conical/gyratory crushersNORDBERG INC·Filed 1998·Granted May 23, 2000·5 cites·19 claims
- 1636US5042732AApparatus for high-yield low-waste conical crushingNORDBERG INC·Filed 1990·Granted Aug 27, 1991·6 cites·6 claims
- 1735US4967967AMethod of high crushing force conical crushingNORDBERG INC·Filed 1989·Granted Nov 6, 1990·5 cites·7 claims
- 1834US5799885AHigh reduction ratio crushing in conical/gyratory crushersNORDBERG INC·Filed 1996·Granted Sep 1, 1998·5 cites·12 claims
- 1932US5110057AMethod of high performance jaw crushingNORDBERG INC·Filed 1990·Granted May 5, 1992·6 cites·4 claims
- 2031US5732895AConical crusher having fluid bellow support assembliesNORDBERG INC·Filed 1996·Granted Mar 31, 1998·3 cites·23 claims
- 2125US5762274AProtection arrangement for a hopper seal on a fluid flushed conical crusherNORDBERG INC·Filed 1996·Granted Jun 9, 1998·3 cites·20 claims
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