Inventor

WIEDERIN DANIEL R

US154 patents

⚠️ This page may combine multiple inventors who share the name “WIEDERIN DANIEL R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WIEDERIN DANIEL R

ELEMENTAL SCIENTIFIC INC

Valve assembly with bottom bypass ports

Automated sampling device

Intermittent/discontinuous sample introduction to an inductively coupled plasma torch

Automated sampling device

Systems for integrated decomposition and scanning of a semiconducting wafer

Systems and methods for inline, dual-stage sample dilution

Auto-sampling system with inline preparation of concentrated sulfuric acid and phosphoric acid for analytic elemental determination

Rapid inline preparation of a diluted sample

Valve for controlled shuttle of liquid into microtiter plates and mixing

Determination of metal and metalloid concentrations using ICPMS

Injection valve

Systems for integrated decomposition and scanning of a semiconducting wafer

System for collecting liquid samples

System for collecting liquid samples

Inline dilution and autocalibration for ICP-MS speciation analysis

Internal standardization with enriched stable isotopes and cool plasma ICPMS

Peristaltic pump

System for collecting liquid samples from a distance

Systems and methods for inline, dual-stage sample dilution

Automatic sampling of hot phosphoric acid for the determination of chemical element concentrations and control of semiconductor processes

System and method for trapping fluid at a valve

System and method for controlling peristaltic pumps

Dual spray chamber

Systems and methods for inline, dual-stage sample dilution

Ultraclean autosampler with syringe delivery for mass spectrometry

Automatic sampling of hot phosphoric acid for the determination of chemical element concentrations and control of semiconductor processes

Hydride generation system

Valve assembly with bottom bypass ports

Fitting with a protrusion

Determination of metal and metalloid concentrations using ICPMS

Hydride generation system

Dilution into a transfer line between valves for mass spectrometry

Variable online dilution

Dual spray chamber

System for use in conditioning a sample for introduction into a sample analysis system

Systems for integrated decomposition and scanning of a semiconducting wafer

WIEDERIN DANIEL R

Fractional-volatilization separator

Gas burst injection valve

Peristaltic pump

Multiple loop sample introduction apparatus

Sample introduction system with mixing

On-line constant flow dilution

Mass spectrometry injection system and apparatus

Sample preparation assembly

Dual-cyclonic spray chamber

CETAC TECH INC

Sample introduction system for inductively coupled plasma and other gas-phase, or particle, detectors utilizing an enclosed filter solvent removal system, and method of use

System for interfacing capillary zone electrophoresis and inductively coupled plasma-mass spectrometer sample analysis systems, and method of use

Direct injection micro nebulizer and enclosed filter solvent removal sample introduction system, and method of use

Direct injection micro nebulizer system and method of use

SARASEP INC

Method for particulate reagent sample treatment