Roofing material
US-2025354380-A1 · Nov 20, 2025 · US
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Leitch Olan patents
Leitch Olan is listed as an inventor on 65 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Leitch Olan |
| Total patents | 65 |
| First publication | Mar 17, 2015 |
| Latest publication | Nov 20, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Roofing material
US-12392136-B2 · Aug 19, 2025 · US
Roofing material
US-2025043574-A1 · Feb 6, 2025 · US
Roofing material
US-12060714-B2 · Aug 13, 2024 · US
Roofing material
US-D1022260-S · Apr 9, 2024 · US
Roofing material
US-2024011294-A1 · Jan 11, 2024 · US
Roofing material
US-11802408-B2 · Oct 31, 2023 · US
Roofing material
US-2021324631-A1 · Oct 21, 2021 · US
Roofing material
US-11002015-B2 · May 11, 2021 · US
Roofing material
US-10995495-B2 · May 4, 2021 · US
Recent patents
Latest publications not already listed above.
Roofing material
US-2020080313-A1 · Mar 12, 2020 · US
Roofing material
US-2019376290-A1 · Dec 12, 2019 · US
Roofing material
US-10415247-B2 · Sep 17, 2019 · US
Multi-layer shingle
US-D857931-S · Aug 27, 2019 · US
Single-layer shingle
US-D857932-S · Aug 27, 2019 · US
Shingle
US-D856539-S · Aug 13, 2019 · US
Roofing shingle system and shingles for use therein
US-10180001-B2 · Jan 15, 2019 · US
Shingle
US-D829935-S · Oct 2, 2018 · US
Roofing material
US-2018066431-A1 · Mar 8, 2018 · US
Roofing material
US-9845602-B2 · Dec 19, 2017 · US
Shingle
US-D805221-S · Dec 12, 2017 · US
Shingle
US-D804687-S · Dec 5, 2017 · US
Shingle
US-D799721-S · Oct 10, 2017 · US
Roofing shingle system and shingles for use therein
US-9752324-B2 · Sep 5, 2017 · US
Roofing shingle system and shingles for use therein
US-9739062-B2 · Aug 22, 2017 · US
Single-layer shingle
US-D793583-S · Aug 1, 2017 · US
Multi-layer shingle
US-D793584-S · Aug 1, 2017 · US
Roofing shingle system and shingles for use therein
US-2017175393-A1 · Jun 22, 2017 · US
Shingle
US-D776303-S · Jan 10, 2017 · US
Shingle
US-D769472-S · Oct 18, 2016 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Building Materials Invest Corp | 44 |
| Building Mat Investment Corp | 15 |
| Bmic Llc | 7 |
| Leitch Olan | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E04D1/28 | 24 |
| E04D1/12 | 22 |
| E04D2001/005 | 20 |
| E04D1/26 | 18 |
| B32B2262/101 | 16 |