Inventor · disambiguated record
Reginald Anthony Butwell
Also filed as: BUTWELL REGINALD ANTHONY
8 granted patents·20 citations·filing 2015–2018
81Inventor score
Files withEHC CANADA INC8
Top patents by PatentIndex Score
8 records- 0189US10160623B2Compact composite handrails with enhanced mechanical propertiesEHC CANADA INC·Filed 2016·Granted Dec 25, 2018·4 cites·20 claims
- 0289US9981415B2Method and apparatus for extrusion of thermoplastic handrailEHC CANADA INC·Filed 2015·Granted May 29, 2018·6 cites·22 claims
- 0388US10940625B2Method and apparatus for extrusion of thermoplastic handrailEHC CANADA INC·Filed 2018·Granted Mar 9, 2021·3 cites·20 claims
- 0485US10350807B2Method and apparatus for extrusion of thermoplastic handrailEHC CANADA INC·Filed 2016·Granted Jul 16, 2019·4 cites·13 claims
- 0580US11975943B2Composite handrails with reduced density carcassEHC CANADA INC·Filed 2018·Granted May 7, 2024·3 cites·28 claims
- 0665US10287133B2Compact composite handrails with enhanced mechanical propertiesEHC CANADA INC·Filed 2018·Granted May 14, 2019·0 cites·20 claims
- 0746US11383408B2Mould assembly for forming a spliced joint in a handrail, or other elongate articleEHC CANADA INC·Filed 2018·Granted Jul 12, 2022·0 cites·27 claims
- 0844US11745435B2Method of forming a spliced joint in a handrail or other elongate articleEHC CANADA INC·Filed 2018·Granted Sep 5, 2023·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →