Guangwei Ji

Follow

Person

Omaha, NE, US

People

Patents Grantslast 30 patents

Information Patent Grant
Autosampler sample and sample rack identification
- Patent number 12,298,322
- Issue date May 13, 2025
- Elemental Scientific, Inc.
- Daniel R. Wiederin
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Autosampler sample and sample rack identification
- Patent number 11,668,724
- Issue date Jun 6, 2023
- Elemental Scientific, Inc.
- Daniel R. Wiederin
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Autosampler sample and sample rack identification
- Patent number 11,175,297
- Issue date Nov 16, 2021
- Elemental Scientific Inc.
- Daniel R. Wiederin
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Autosampler sample and sample rack identification
- Patent number 10,545,160
- Issue date Jan 28, 2020
- Elemental Scientific, Inc.
- Daniel R. Wiederin
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
AUTOSAMPLER SAMPLE AND SAMPLE RACK IDENTIFICATION
- Publication number 20230375582
- Publication date Nov 23, 2023
- ELEMENTAL SCIENTIFIC, INC.
- Daniel R. Wiederin
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
AUTOSAMPLER SAMPLE AND SAMPLE RACK IDENTIFICATION
- Publication number 20220163550
- Publication date May 26, 2022
- ELEMENTAL SCIENTIFIC, INC.
- Daniel R. Wiederin
- G01 - MEASURING TESTING
Information Patent Application
AUTOSAMPLER SAMPLE AND SAMPLE RACK IDENTIFICATION
- Publication number 20200355711
- Publication date Nov 12, 2020
- ELEMENTAL SCIENTIFIC INC.
- Daniel R. Wiederin
- G01 - MEASURING TESTING
Information Patent Application
AUTOSAMPLER SAMPLE AND SAMPLE RACK IDENTIFICATION
- Publication number 20170038402
- Publication date Feb 9, 2017
- ELEMENTAL SCIENTIFIC, INC.
- Daniel R. Wiederin
- G01 - MEASURING TESTING