公开(公告)号：US20220054869A1

公开(公告)日：2022-02-24

申请号：US17309788

申请日：2019-12-19

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： David R. Stein ,  Caroline M. Ylitalo ,  Craig E. Colton ,  Steven T. Awiszus ,  Shane A. Hainey ,  Richard C. Webb ,  Scott A. Larson ,  Andrew W. Long ,  Daniel B. Taylor

IPC: A62B18/02 ,  A62B9/00

Abstract: A system includes a negative pressure reusable respirator configured to be worn by a worker and to cover at least a mouth and a nose of the worker, a sensor configured to generate sensor data indicative of a characteristic of air within a work environment, and at least one computing device. The negative pressure reusable respirator includes at least one contaminant capture device configured to remove contaminants from air as the air is drawn through the contaminant capture device when the worker inhales. The at least one contaminant capture device is configured to be removable from the negative pressure reusable respirator. The at least one computing device configured to determine whether the at least one contaminant capture device is due for replacement, and perform one or more actions in response to determining the at least one contaminant capture device is due for replacement.

公开(公告)号：US20230394644A1

公开(公告)日：2023-12-07

申请号：US18249113

申请日：2021-10-04

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Marie D. Manner ,  Lydia R. Carlson ,  Joseph P. Kronzer ,  Jonathan D. Gandrud ,  Longin J. Kloc ,  Shane A. Hainey ,  Matthew J. Blackford ,  Caroline M. Ylitalo ,  Muhammad J. Afridi ,  Michael A. McCoy

IPC: G06T7/00 ,  G06V10/764 ,  G06V10/774 ,  G06Q10/20

CPC classification number: G06T7/0004 ,  G06V10/765 ,  G06V10/774 ,  G06Q10/20 ,  G06T2207/20081

Abstract: A personal protective equipment (PPE) interrogation device that uses auditory or visual data to ascertain a readiness state of the article of PPE. The auditory or visual data come from an inspection of the article of personal protective equipment in advance of determining whether the article ready for use.

公开(公告)号：US20230347187A1

公开(公告)日：2023-11-02

申请号：US18002298

申请日：2021-05-21

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Jonathan D. Gandrud ,  Steven T. Awiszus ,  Shane A. Hainey

IPC: A62B18/08 ,  A62B9/00 ,  A62B18/00

CPC classification number: A62B18/088 ,  A62B9/006 ,  A62B18/006

Abstract: A filter cartridge for a respirator includes an RFID chip encoding a digital change management policy (DCMP) indicating a useful lifespan of the cartridge, so that the cartridge may be replaced at the end of the useful lifespan. In some examples, a system includes a respirator comprising a facepiece and an air blower; a removable contaminant capture cartridge installed within the respirator and configured to remove contaminants from the air as the air passes through the contaminant capture cartridge, wherein the contaminant capture cartridge comprises a radio frequency identification (RFID) chip encoding a digital change management policy (DCMP) indicating a useful lifespan of the contaminant capture cartridge; and a computing device configured to read the DCMP from the RFID chip or write the DCMP to the RFID chip.