CH

Christopher P. Henderson

3M: 57 patents #108 of 11,543Top 1%
Overall (All Time): #42,147 of 4,157,543Top 2%
57
Patents All Time

Issued Patents All Time

Showing 25 most recent of 57 patents

Patent #TitleCo-InventorsDate
12271969 Personal protective equipment training system with user-specific augmented reality content construction and rendering Claire R. Donoghue, Benjamin W. Watson, Caroline M. Ylitalo, Gautam Singh, Alexandra R. Cunliffe +2 more 2025-04-08
12245648 Maintenance-free respirator that has concave portions on opposing sides of mask top section John M. Facer, Peter S. Leonard, Desmond T. Curran 2025-03-11
12233292 Anti-fog respirator John M. Facer, Audra A. Wilson 2025-02-25
12186598 Respirator tab Reyad A. Abdulqader, Ciaran G. McMenamin, Audra A. Wilson, John M. Facer 2025-01-07
11904191 Anti-fog respirator John M. Facer, Audra A. Wilson 2024-02-20
11877604 Maintenance-free respirator that has concave portions on opposing sides of mask top section John M. Facer, Peter S. Leonard, Desmond T. Curran 2024-01-23
11748983 Image-based personal protective equipment fit system using worker-specific fit test image data Claire R. Donoghue 2023-09-05
D982753 Respirator device 2023-04-04
11534632 Fit-test method for respirator with sensing system Andrew S. Viner, Richard C. Webb, Nicholas G. Amell, Jessica L. T. Hauge, David R. Stein +5 more 2022-12-27
11517775 Respirator headband 2022-12-06
11445771 Respirator valve Reyad A. Abdulqader, James J. May, Mark A. J. Fernandes, Daniel Paul Jenkins, Stuart James King +3 more 2022-09-20
11413481 Respirator tab Reyad A. Abdulqader, Ciaran G. McMenamin, Audra A. Wilson, John M. Facer 2022-08-16
11247079 Personal respiratory protection device Garry J. Walker 2022-02-15
11213080 Shape retaining flat-fold respirator 2022-01-04
11135460 Maintenance-free anti-fog respirator John M. Facer, Audra A. Wilson 2021-10-05
D926988 Chin tab 2021-08-03
D914216 Nose tab 2021-03-23
10827787 Maintenance-free respirator that has concave portions on opposing sides of mask top section John M. Facer, Peter S. Leonard, Desmond T. Curran 2020-11-10
10639506 Personal respiratory protection device Garry J. Walker 2020-05-05
10441828 Powered air-purifying respirator Desmond T. Curran, Andrew Murphy, Garry J. Walker, Terence M. Sayers, Bengt Kallman 2019-10-15
D837970 Mask Ciaran G. McMenamin, Reyad A. Abdulqader 2019-01-08
9770611 Maintenance-free anti-fog respirator John M. Facer, Audra A. Wilson 2017-09-26
9507175 Methods and devices for evaluating eyewear fit Karen Cuta, Christopher J. Dujovski, Laurent Froissard, Donald Rust, Andrew S. Viner 2016-11-29
D708734 Respiratory mask Desmond T. Curran, John M. Facer, Audra A. Wilson 2014-07-08
8375950 Flat-folded personal respiratory protection devices and processes for preparing same Graham J. Bostock, John W. Bryant, Desmond T. Curran, Dennis L. Krueger, James F. Dyrud 2013-02-19