Assignee
FREDERICKS CO
US·9 granted patents·212 citations·filing 1993–2009
Top patents by PatentIndex Score
9 records- 0174US5351551AConvection thermocouple vacuum gaugeFREDERICKS CO·Filed 1993·Granted Oct 4, 1994·44 cites·14 claims
- 0269US5568053AIonization gauge having a non-time varying magnetic field generator of separated opposed magnetsFREDERICKS CO·Filed 1995·Granted Oct 22, 1996·32 cites·40 claims
- 0368US6249984B1Electrolytic tilt sensor having a metallic envelopeFREDERICKS CO·Filed 2000·Granted Jun 26, 2001·28 cites·36 claims
- 0457US5630280ADual axis electrolytic tilt sensorFREDERICKS CO·Filed 1995·Granted May 20, 1997·36 cites·20 claims
- 0555US6688013B2Electrolytic-tilt-sensorFREDERICKS CO·Filed 2001·Granted Feb 10, 2004·21 cites·15 claims
- 0652US6453571B1Thermocouple tilt sensing deviceFREDERICKS CO·Filed 2000·Granted Sep 24, 2002·14 cites·22 claims
- 0751US5852878AElectrolytic tilt sensing deviceFREDERICKS CO·Filed 1997·Granted Dec 29, 1998·27 cites·75 claims
- 0837US6257069B1Bayard-alpert vacuum gauge with neutralization of x-ray effectFREDERICKS CO·Filed 1998·Granted Jul 10, 2001·10 cites·86 claims
- 0934US7886451B2Integral electrode tilt sensor and method for making sameFREDERICKS CO·Filed 2009·Granted Feb 15, 2011·0 cites·25 claims
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