L. Jonathan Kramer
17Patents
10h-index
12Co-inventors
69Inventor score
Filing activity: Sep 19, 1974 → Oct 20, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5510779A | Error compensating instrument system with digital communications | Physics | 47 | Expired |
| US6062070A | Method and apparatus for the sonic measurement of sludge and clarity conditions during the treatment of waste water | Emerging Cross-Sectional Technologies | 35 | Expired |
| US4788488A | Continuous condition sensing system | Physics | 22 | Expired |
| US5760309A | Ultrasonic method for material monitoring | Physics | 21 | Expired |
| US4208909A | Admittance sensing probe having multiple sensing elements | Physics | 20 | Expired |
| US5987994A | Ultrasonic method for material monitoring | Physics | 19 | Expired |
| US4568874A | RF Admittance apparatus and method for monitoring the contents of a pipe | Physics | 19 | Expired |
| US3993947A | Admittance measuring system for monitoring the condition of materials | Physics | 13 | Expired |
| US4799174A | Multiple set point condition monitoring systems | Physics | 11 | Expired |
| US6212943A | Method and apparatus for the sonic measurement of sludge and clarity conditions during the treatment on waste water | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5045797A | Continuous condition sensing system determining liquid level by admittance measurement | Physics | 10 | Expired |
| US4363030A | Fail-safe instrument system | Physics | 9 | Expired |
| US5539670A | Coating responsive material condition monitoring system | Electricity | 9 | Expired |
| US6388431B1 | High efficiency power supply for a two-wire loop powered device | Physics | 9 | Expired |
| US5278513A | Continuous condition sensing system | Physics | 8 | Expired |
| US4573040A | Fail-safe instrument system | Physics | 8 | Expired |
| US6215319A | High accuracy measuring system | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.