Assignee
JOHNSON CORP
21 granted patents·353 citations·filing 1975–2002
Top patents by PatentIndex Score
21 records- 0171US7028756B2Apparatus for increasing a transfer of thermal energy through an inner surface of a hollow cylindrical dryer of a papermaking machineJOHNSON CORP·Filed 2002·Granted Apr 18, 2006·8 cites·32 claims
- 0263US4254972AStainless steel rotary jointJOHNSON CORP·Filed 1979·Granted Mar 10, 1981·28 cites·8 claims
- 0361US5169181AImpact resistant rotary joint with glide ring sealsJOHNSON CORP·Filed 1991·Granted Dec 8, 1992·29 cites·6 claims
- 0461US4635969ARotary joint with balanced sealsJOHNSON CORP·Filed 1985·Granted Jan 13, 1987·27 cites·6 claims
- 0559US7004509B2Journal bearing mounted hub seal rotary jointJOHNSON CORP·Filed 2001·Granted Feb 28, 2006·12 cites·21 claims
- 0659US4606561AJournal mounted rotary jointJOHNSON CORP·Filed 1985·Granted Aug 19, 1986·16 cites·9 claims
- 0757US5098135ARotary joint with axial compensationJOHNSON CORP·Filed 1990·Granted Mar 24, 1992·24 cites·12 claims
- 0856US5528838AInsulated dryer drumJOHNSON CORP·Filed 1994·Granted Jun 25, 1996·21 cites·5 claims
- 0955US6126207ARotary joint with shear pinsJOHNSON CORP·Filed 1999·Granted Oct 3, 2000·21 cites·8 claims
- 1054US5533569AStationary syphon system for rotating heat exchanger rollsJOHNSON CORP·Filed 1995·Granted Jul 9, 1996·27 cites·15 claims
- 1153US4758026ARotary joint with balanced sealsJOHNSON CORP·Filed 1987·Granted Jul 19, 1988·16 cites·5 claims
- 1251US5110162AAnti-corrosive rotary jointJOHNSON CORP·Filed 1991·Granted May 5, 1992·21 cites·13 claims
- 1348US5303959AHigh speed rotary jointJOHNSON CORP·Filed 1993·Granted Apr 19, 1994·18 cites·9 claims
- 1448US5109612AAspirated syphon shoeJOHNSON CORP·Filed 1990·Granted May 5, 1992·10 cites·8 claims
- 1547US6203072B1Corrugating joint and syphon systemJOHNSON CORP·Filed 1999·Granted Mar 20, 2001·19 cites·9 claims
- 1644US4262940AInternally compensated self-aligning rotary jointJOHNSON CORP·Filed 1978·Granted Apr 21, 1981·13 cites·4 claims
- 1743US4004431AControl for cooling unitJOHNSON CORP·Filed 1975·Granted Jan 25, 1977·17 cites·17 claims
- 1842US5226677ARotary joint with extended life sealJOHNSON CORP·Filed 1991·Granted Jul 13, 1993·13 cites·1 claims
- 1934US5931507ARotary joint with body lock systemJOHNSON CORP·Filed 1997·Granted Aug 3, 1999·8 cites·10 claims
- 2031US4971367AAir controlled rotary joint compensatorJOHNSON CORP·Filed 1989·Granted Nov 20, 1990·4 cites·6 claims
- 2127US5067824AAir controlled rotary joint compensatorJOHNSON CORP·Filed 1990·Granted Nov 26, 1991·1 cites·4 claims
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