| 11402306 |
Auto-sampling system with automatic matrix matching capability |
— |
2022-08-02 |
| 11204306 |
Preconcentration of fluid samples with alternating dual loop introduction |
— |
2021-12-21 |
| 11156629 |
Auto-sampling system with inline preparation of concentrated sulfuric acid and phosphoric acid for analytic elemental determination |
Daniel R. Wiederin |
2021-10-26 |
| 11125662 |
Auto-sampling system with automatic matrix matching capability |
— |
2021-09-21 |
| 11067182 |
Valve for controlled shuttle of liquid into microtiter plates and mixing |
Daniel R. Wiederin |
2021-07-20 |
| 11062893 |
System for automatic sampling, sample digestion, and joining a plurality of sample introduction systems |
Michael P. Field, Daniel R. Wiederin, Tyler Yost |
2021-07-13 |
| 10948462 |
Automatic column sparging for preconcentration columns |
Andrew D. Toms, Michael P. Field |
2021-03-16 |
| 10942096 |
Automated system for remote inline concentration of ultra-low concentrations in pure chemicals |
Daniel R. Wiederin, Austin Schultz, Michael P. Field |
2021-03-09 |
| 10379132 |
Auto-sampling system with inline preparation of concentrated sulfuric acid and phosphoric acid for analytic elemental determination |
Daniel R. Wiederin |
2019-08-13 |
| 10371273 |
Valve for controlled shuttle of liquid into microtiter plates and mixing |
Daniel R. Wiederin |
2019-08-06 |
| 10060541 |
Valve assembly with bottom bypass ports |
Daniel R. Wiederin |
2018-08-28 |
| 9934953 |
Determination of metal and metalloid concentrations using ICPMS |
Daniel R. Wiederin |
2018-04-03 |
| 9752691 |
Valve for controlled shuttle of liquid into microtiter plates and mixing |
Daniel R. Wiederin |
2017-09-05 |
| 9541207 |
Valve assembly with bottom bypass ports |
Daniel R. Wiederin |
2017-01-10 |
| 9406490 |
Determination of metal and metalloid concentrations using ICPMS |
Daniel R. Wiederin |
2016-08-02 |
| 9146182 |
Injection valve |
Daniel R. Wiederin |
2015-09-29 |
| 8944102 |
Gas burst injection valve |
Daniel R. Wiederin |
2015-02-03 |