Inventor

HOOGENRAAD JOHANNES

US4 patents

⚠️ This page may combine multiple inventors who share the name “HOOGENRAAD JOHANNES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

3M INNOVATIVE PROPERTIES COMPANY

2 patents

US12070633B2Aug 27, 2024

Unitary respirator with molded thermoset elastomeric elements

3M INNOVATIVE PROPERTIES COMPANY0 citations59

US11701528B2Jul 18, 2023

Unitary respirator with molded thermoset elastomeric elements

3M INNOVATIVE PROPERTIES COMPANY0 citations59

FLANNIGAN PAUL J

1 patent

US8820326B2Sep 2, 2014

Respirator facepiece with thermoset elastomeric face seal

FLANNIGAN PAUL J10 citations76

3M INNOVATIVE PROPERTIES CO

1 patent

US10065056B2Sep 4, 2018

Unitary respirator with molded thermoset elastomeric elements

3M INNOVATIVE PROPERTIES CO3 citations69