Peter W. Krempl
30Patents
13h-index
25Co-inventors
81Inventor score
Filing activity: Dec 5, 1977 → Nov 25, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4413202A | Transducer with a flexible sensor element for measurement of mechanical values | Emerging Cross-Sectional Technologies | 60 | Expired |
| US4216403A | Monoaxially oriented piezoelectric polymer transducer for measurement of mechanical values on bodies | Emerging Cross-Sectional Technologies | 57 | Expired |
| US4771176A | Method for quantitative analysis of hydrocarbon | Physics | 42 | Expired |
| US4404854A | Transducer device for measuring mechanical values on hollow bodies | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5220836A | Method and arrangement for piezoelectric measurement | Emerging Cross-Sectional Technologies | 34 | Expired |
| US5098673A | Apparatus for growing homogeneous crystals | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4391147A | Transducer device for measuring mechanical values on hollow bodies | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4953390A | Method and a device for measuring the air/fuel ratio of an internal combustion engine | Physics | 26 | Expired |
| US4169387A | Transducer for mechanical measured variables, especially a pressure transducer | Physics | 18 | Expired |
| US4525627A | Method and device for continuous measurement of the mass of aerosol particles in gaseous samples | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4467271A | Test apparatus for determination of vibration characteristics of piezoelectric transducers | Physics | 17 | Expired |
| US5557968A | Piezoelectric measuring element for measuring mechanical variables | Physics | 14 | Expired |
| US4441044A | Transducer with a piezoelectric sensor element | Physics | 13 | Expired |
| US4667127A | Piezoelectric sensor element with at least two single crystal elements | Electricity | 13 | Expired |
| US4902926A | Piezoelectric measuring element | Electricity | 11 | Expired |
| US4737676A | Transducer with a flexible piezoelectric layer as a sensor element | Electricity | 10 | Expired |
| US6972841B2 | Method and apparatus for determining the non-volatile component of aerosol particles in a gas sample | Physics | 10 | Expired |
| US4518861A | Method for the continuous measurement of the mass of aerosol particles in gaseous samples and a device for the implementation of the method | Physics | 9 | Expired |
| US6786075B2 | Method for the measurement of aerosol particles in gaseous samples | Physics | 8 | Expired |
| US5440188A | Piezoelectric crystal element | Electricity | 8 | Expired |
| US4577105A | Method of determining masses of absorbing components of a sample in a test volume and a device for implementation of this method | Physics | 7 | Expired |
| US4737652A | Method for the periodic determination of a quantity to be measured, using a reference signal | Physics | 7 | Expired |
| US5369327A | Piezoelectric crystal element | Electricity | 4 | Expired |
| US5010302A | Charge amplifier circuit | Electricity | 3 | Expired |
| US4946545A | Method of growing homogeneous crystals | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.