Inventor
CHRISTOPHER P. HENDERSON
Inventor
GB
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A62Bprimary
A62BDevices, apparatus or methods for life-saving39%
A41DOuterwear32%
G06TImage data processing or generation, in general8%
G06FElectric digital data processing5%
G06VImage or video recognition or understanding5%
A61MDevices for introducing media into, or onto, the body3%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes3%
LOC243%
PatentTitleYear
12,434,082Personal respiratory protection device202512,271,969Personal protective equipment training system with user-specific augmented reality content construction and rendering202512,245,648Maintenance-free respirator that has concave portions on opposing sides of mask top section202512,233,292Anti-fog respirator202512,186,598Respirator tab202511,904,191Anti-fog respirator202411,877,604Maintenance-free respirator that has concave portions on opposing sides of mask top section202411,748,983Image-based personal protective equipment fit system using worker-specific fit test image data2023D0982753Respirator device202311,534,632Fit-test method for respirator with sensing system202211,517,775Respirator headband202211,445,771Respirator valve202211,413,481Respirator tab202211,247,079Personal respiratory protection device202211,213,080Shape retaining flat-fold respirator202211,135,460Maintenance-free anti-fog respirator2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2022Patents assigned to 3M INNOVATIVE PROPERTIES CO (5)· patent assignee history
2021–2025Based in GB· patent location history
2022–2025Patents assigned to 3M INNOVATIVE PROPERTIES COMPANY (11)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| 3M INNOVATIVE PROPERTIES COMPANY | 11 | 2022–2025 |
| 3M INNOVATIVE PROPERTIES CO | 5 | 2021–2022 |
Locations
| Location | Patents | Span |
|---|---|---|
| GB | 16 | 2021–2025 |