Siemens Milltronics Process Instruments, Inc.
56Patents
23Active
56Granted
44Portfolio score
Filing activity: Oct 18, 1999 → Jan 28, 2010 · 23 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7453393B2 | Coupler with waveguide transition for an antenna in a radar-based level measurement system | Physics | 246 | Expired |
| US6961665B2 | Power management mechanism for loop powered time of flight and level measurement systems | Physics | 30 | Expired |
| US6864833B2 | Time-base generator with self-compensating control loop | Physics | 17 | Expired |
| US6795319B2 | Intrinsically safe portable programmer for enclosed electronic process control equipment | Electricity | 15 | Expired |
| US6298008A | Pulse-echo system for mediums having varying densities | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6771560B2 | Method and apparatus for on-board calibration in pulse-echo acoustic ranging system | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6597309B1 | Microwave pulse generator and pulse-echo ranging system | Electricity | 11 | Expired |
| US7334470B1 | Digital interface and receiver for time-of-flight level measurement and pulse-echo ranging systems | Physics | 10 | Expired |
| US6898151B1 | Acoustic pulse echo ranging system | Physics | 9 | Expired |
| US6917326B1 | Vibratory cleaning mechanism for an antenna in a time-of-flight based level measurement system | Physics | 9 | Expired |
| US6927734B2 | Dielectric rod antenna | Electricity | 9 | Expired |
| US8022862B2 | Processing of pulse-echo measurement signals | Physics | 8 | Active |
| US6825798B2 | Rod antenna with installation thread | Electricity | 7 | Expired |
| US7259712B1 | Antenna with integral sealing member for a radar-based level measurement system | Electricity | 7 | Expired |
| US6885611B2 | Method for high-pass filtering for echo processing in time of flight ranging systems | Physics | 7 | Expired |
| US7420877B2 | Method for processing an echo profile | Emerging Cross-Sectional Technologies | 7 | Active |
| US6621763B2 | Power saving technique for pulse-echo acoustic ranging systems | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6870417B2 | Circuit for loss-less diode equivalent | Electricity | 5 | Expired |
| US7010973B2 | Method and apparatus for improving accuracy in ultrasonic echo ranging systems | Physics | 5 | Expired |
| US6816436B1 | Method for echo processing in time-of-flight or level measurement systems | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6865137B2 | Method for pulse offset calibration in time of flight ranging systems | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7710314B2 | Pulse radar ranging system | Physics | 4 | Active |
| US7602330B2 | Horn antenna with a composite emitter for a radar-based level measurement system | Electricity | 4 | Active |
| US6856576B2 | Method for determining echo distance using autocorrelation in time of flight ranging systems | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7482971B2 | Time-of-flight-ranging system and method for calibrating such a system | Physics | 4 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.