Respirator negative pressure fit check devices and methods
US-2025050141-A1 · Feb 13, 2025 · US
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Li Chaodi patents
Li Chaodi is listed as an inventor on 34 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Li Chaodi |
| Total patents | 34 |
| First publication | Feb 5, 2015 |
| Latest publication | Feb 13, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Respirator negative pressure fit check devices and methods
US-12128259-B2 · Oct 29, 2024 · US
Stretch-Release Adhesive Articles with a Pattern of Slits
US-2023034952-A1 · Feb 2, 2023 · US
Removable dental appliance including spring bellows
US-11517401-B2 · Dec 6, 2022 · US
System and method for determining a force vector on a virtual dentition
US-2022346912-A1 · Nov 3, 2022 · US
Removable dental appliance including jumpers
US-11395718-B2 · Jul 26, 2022 · US
Removable dental appliances including bendable flaps and arcuate members
US-2022168069-A1 · Jun 2, 2022 · US
Respirator negative pressure fit check devices and methods
US-2021290992-A1 · Sep 23, 2021 · US
Adhesive articles including a cushion layer and a continuous shell layer
US-11118088-B2 · Sep 14, 2021 · US
Orthodontic palatal expander including split beams
US-11058516-B2 · Jul 13, 2021 · US
Recent patents
Latest publications not already listed above.
Respirator negative pressure fit check devices and methods
US-11052268-B2 · Jul 6, 2021 · US
Shaped optical film
US-2021149099-A1 · May 20, 2021 · US
Catheter securement device
US-2021113815-A1 · Apr 22, 2021 · US
Folding flap hanger device having multiple peel fronts
US-10959547-B2 · Mar 30, 2021 · US
Removable dental appliance including bendable flaps
US-2020397537-A1 · Dec 24, 2020 · US
Adhesive articles including a cushion layer and a continuous shell layer
US-2020369926-A1 · Nov 26, 2020 · US
Article and method for negative pressure wound therapy
US-10813793-B2 · Oct 27, 2020 · US
Adhesive articles including a cushion layer and a discontinuous shell layer
US-2020332152-A1 · Oct 22, 2020 · US
Removable dental appliance including spring bellows
US-2020289239-A1 · Sep 17, 2020 · US
Orthodontic palatal expander including split beams
US-2020253696-A1 · Aug 13, 2020 · US
Removable dental appliance including jumpers
US-2020253695-A1 · Aug 13, 2020 · US
Magneto-mechanical resonator sensor with mass distribution channel
US-10451588-B2 · Oct 22, 2019 · US
Catheter securement device
US-10441749-B2 · Oct 15, 2019 · US
Magneto-mechanical resonator sensor with pre-disposed mass
US-10408685-B2 · Sep 10, 2019 · US
Magneto-mechanical resonator sensor with absorption material
US-10401233-B2 · Sep 3, 2019 · US
Systems and methods for magneto-mechanical resonator sensors
US-10228319-B2 · Mar 12, 2019 · US
Folding flap hanger device having multiple peel fronts
US-2019038051-A1 · Feb 7, 2019 · US
Magneto-mechanical resonator sensor with mass distribution channel
US-2017276647-A1 · Sep 28, 2017 · US
Magneto-mechanical resonator sensor with absorption material
US-2017234741-A1 · Aug 17, 2017 · US
Magneto-mechanical resonator sensor with pre-disposed mass
US-2017234740-A1 · Aug 17, 2017 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| 3M Innovative Properties Co | 29 |
| 3M Innovative Properties Company | 5 |
| Karim Naimul | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.