Oral irrigator with variable motor drive
US-2025367061-A1 · Dec 4, 2025 · US
Luettgen Harold A is listed as an inventor on 67 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Luettgen Harold A |
| Total patents | 67 |
| First publication | Jan 1, 2015 |
| Latest publication | Dec 4, 2025 |
Publications ranked by popularity score, then publication date.
US-2025367061-A1 · Dec 4, 2025 · US
US-2025366963-A1 · Dec 4, 2025 · US
US-12383387-B2 · Aug 12, 2025 · US
US-2025205029-A1 · Jun 26, 2025 · US
US-2025000739-A1 · Jan 2, 2025 · US
US-2024041578-A1 · Feb 8, 2024 · US
US-11826214-B2 · Nov 28, 2023 · US
US-2023363872-A1 · Nov 16, 2023 · US
US-11744690-B2 · Sep 5, 2023 · US
US-2023200959-A1 · Jun 29, 2023 · US
Latest publications not already listed above.
US-2022323188-A1 · Oct 13, 2022 · US
US-D959840-S · Aug 9, 2022 · US
US-11399925-B2 · Aug 2, 2022 · US
US-11351018-B2 · Jun 7, 2022 · US
US-11213834-B2 · Jan 4, 2022 · US
US-11173020-B2 · Nov 16, 2021 · US
US-2021290338-A1 · Sep 23, 2021 · US
US-11039906-B2 · Jun 22, 2021 · US
US-2021161754-A1 · Jun 3, 2021 · US
US-10945912-B2 · Mar 16, 2021 · US
US-10918469-B2 · Feb 16, 2021 · US
US-10828137-B2 · Nov 10, 2020 · US
US-2020276003-A1 · Sep 3, 2020 · US
US-2020205952-A1 · Jul 2, 2020 · US
US-2020155286-A1 · May 21, 2020 · US
US-2020156091-A1 · May 21, 2020 · US
US-D878765-S · Mar 24, 2020 · US
US-2020078153-A1 · Mar 12, 2020 · US
US-10561480-B2 · Feb 18, 2020 · US
US-10532369-B2 · Jan 14, 2020 · US
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Water Pik Inc | 67 |
| Luettgen Harold A | 3 |
| Sokol Gary L | 2 |
| Hair Kenneth A | 2 |
| Taylor Kurt M | 1 |
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| A61C17/0202 | 36 |
| A61C1/0092 | 33 |
| A61C17/0205 | 33 |
| A61C17/02 | 23 |
| A61C17/3418 | 23 |