Inventor · disambiguated record
Douglas H. Beyer
Also filed as: BEYER DOUGLAS · BEYER DOUGLAS H
10 granted patents·181 citations·filing 1994–2023
89Inventor score
Files withRICHMOND TECHNOLOGY INC3SPECTRASENSORS INC3ASHCROFT INC1ENDRESS HAUSER OPTICAL ANALYSIS INC1RICHMOND TECH INC1
Top patents by PatentIndex Score
10 records- 0186US10620045B2Spectrometer with active beam steeringSPECTRASENSORS INC·Filed 2019·Granted Apr 14, 2020·4 cites·20 claims
- 0286US9816860B2Spectrometer with active beam steeringSPECTRASENSORS INC·Filed 2014·Granted Nov 14, 2017·5 cites·35 claims
- 0385US10309828B2Spectrometer with active beam steeringSPECTRASENSORS INC·Filed 2017·Granted Jun 4, 2019·2 cites·13 claims
- 0483US6384596B1Variable inductance transducer circuit producing an electrical current and voltage outputFiled 2000·Granted May 7, 2002·29 cites·17 claims
- 0577US5550703AParticle free ionization barRICHMOND TECHNOLOGY INC·Filed 1995·Granted Aug 27, 1996·67 cites·10 claims
- 0669US7140257B2Wireless transmitting pressure measurement deviceASHCROFT INC·Filed 2003·Granted Nov 28, 2006·17 cites·59 claims
- 0767USD373183SAir ionizing ringRICHMOND TECH INC·Filed 1994·Granted Aug 27, 1996·15 cites·1 claims
- 0866US5508880AAir ionizing ringRICHMOND TECHNOLOGY INC·Filed 1995·Granted Apr 16, 1996·36 cites·6 claims
- 0962US12313461B2Multi-sectioned window for spectroscopic deviceENDRESS HAUSER OPTICAL ANALYSIS INC·Filed 2023·Granted May 27, 2025·0 cites·17 claims
- 1033US5532902AAir ionizing deviceRICHMOND TECHNOLOGY INC·Filed 1995·Granted Jul 2, 1996·6 cites·6 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →