Inventor · disambiguated record
Jonas N. A. Frejd
Also filed as: FREJD JONAS N A
6 granted patents·2 pending applications·45 citations·filing 2012–2022
80Inventor score
Top patents by PatentIndex Score
8 records- 0188US11779075B2Protective headgear with adjustable air supply3M INNOVATIVE PROPERTIES COMPANY·Filed 2022·Granted Oct 10, 2023·2 cites·19 claims
- 0284US11253022B2Protective headgear with adjustable air supply3M INNOVATIVE PROPERTIES CO·Filed 2018·Granted Feb 22, 2022·7 cites·19 claims
- 0383US8701212B2Elongated guide, and visor removably mountable thereto3M INNOVATIVE PROPERTIES CO·Filed 2012·Granted Apr 22, 2014·18 cites·25 claims
- 0481US9578916B2Appliance mounting device and system for head gear3M INNOVATIVE PROPERTIES CO·Filed 2014·Granted Feb 28, 2017·14 cites·13 claims
- 0575US9775397B2Elongated guide, and visor removably mountable thereto3M INNOVATIVE PROPERTIES CO·Filed 2014·Granted Oct 3, 2017·4 cites·15 claims
- 0652US12263363B2Air respirator accessory having a battery connector plug with an unplug lever3M INNOVATIVE PROPERTIES COMPANY·Filed 2019·Granted Apr 1, 2025·0 cites·12 claims
- 0750US2017127745A1Appliance Mounting Device and System for Head Gear3M INNOVATIVE PROPERTIES CO·Filed 2017·Application pending·0 cites
- 0843US2022000667A1Welding helmet with a stepless adjustable protective shield stop3M INNOVATIVE PROPERTIES CO·Filed 2019·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →