The Fredericks Company

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
G01C MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY 4101

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7886451 Integral electrode tilt sensor and method for making sameMar 04, 09Feb 15, 11[G01C]
6688013 Electrolytic-tilt-sensorDec 13, 01Feb 10, 04[G01C]
6249984 Electrolytic tilt sensor having a metallic envelopeApr 06, 00Jun 26, 01[G01C]
5852878 Electrolytic tilt sensing deviceJul 14, 97Dec 29, 98[G01C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2004/0016,137 Electrolytic tilt sensor having a meniscus inhibitorAbandonedDec 19, 00Jan 29, 04[G01C]
6453571 Thermocouple tilt sensing deviceExpiredSep 28, 00Sep 24, 02[G01C]
6257069 Bayard-alpert vacuum gauge with neutralization of x-ray effectExpiredOct 28, 98Jul 10, 01[G01L]
5630280 Dual axis electrolytic tilt sensorExpiredMay 01, 95May 20, 97[G01C]
5568053 Ionization gauge having a non-time varying magnetic field generator of separated opposed magnetsExpiredMar 31, 95Oct 22, 96[G01L]
5351551 Convection thermocouple vacuum gaugeExpiredMay 27, 93Oct 04, 94[G01L]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.