Inventor · disambiguated record
Alexander K. Werjefelt
Also filed as: WERJEFELT ALEXANDER · WERJEFELT ALEXANDER K
12 granted patents·3 pending applications·64 citations·filing 2009–2024
88Inventor score
Files withWERJEFELT BERTIL R L7WERJEFELT ALEXANDER3WERJEFELT ALEXANDER K2WERJEFELT CHRISTIAN2WERJEFELT BERTIL1
Top patents by PatentIndex Score
15 records- 0189US8901766B2Wave action electric generating system including a boom on a floating platformWERJEFELT ALEXANDER K·Filed 2009·Granted Dec 2, 2014·31 cites·14 claims
- 0289US8453969B2Glare shield equipped with an emergency vision apparatusWERJEFELT BERTIL R L·Filed 2011·Granted Jun 4, 2013·11 cites·19 claims
- 0384US8705189B2Emergency vision apparatus with closable hand openingWERJEFELT BERTIL R L·Filed 2011·Granted Apr 22, 2014·7 cites·11 claims
- 0475US10215991B2Hand-held emergency vision apparatus and systemWERJEFELT BERTIL R L·Filed 2016·Granted Feb 26, 2019·3 cites·18 claims
- 0575US9329393B2Emergency vision apparatus with touch sensitive screen and closable hand openingWERJEFELT BERTIL R L·Filed 2014·Granted May 3, 2016·3 cites·23 claims
- 0675US9193477B2Glare shield equipped with an emergency vision apparatusWERJEFELT BERTIL R L·Filed 2013·Granted Nov 24, 2015·5 cites·13 claims
- 0774US12097964B2Emergency vision system with fixed and hand-held enclosuresWERJEFELT BERTIL·Filed 2019·Granted Sep 24, 2024·2 cites·22 claims
- 0873US9567103B2Glare shield equipped with an emergency vision apparatusWERJEFELT BERTIL R L·Filed 2015·Granted Feb 14, 2017·2 cites·15 claims
- 0968US2025258380A1Heads-up Display Apparatus for use During a Smoke EmergencyWERJEFELT CHRISTIAN·Filed 2024·Application pending·0 cites
- 1059US12050323B2Heads-up display apparatus for use during a smoke emergencyWERJEFELT CHRISTIAN·Filed 2020·Granted Jul 30, 2024·0 cites·10 claims
- 1156US11440661B2Emergency vision device using spring wire loopsWERJEFELT ALEXANDER K·Filed 2018·Granted Sep 13, 2022·0 cites·22 claims
- 1256US2018010571A1Wave Action Electric Generating SystemWERJEFELT ALEXANDER·Filed 2017·Application pending·0 cites
- 1347US12434079B2Pathogen protection deviceWERJEFELT ALEXANDER·Filed 2021·Granted Oct 7, 2025·0 cites·17 claims
- 1446US2011042954A1Wave Action Electric Generating SystemWERJEFELT ALEXANDER·Filed 2010·Application pending·0 cites
- 1539US11383847B2Emergency vision apparatus with hand accessWERJEFELT BERTIL R L·Filed 2017·Granted Jul 12, 2022·0 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Alexander K. Werjefelt files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →