System and method for reduced thread stress for buttress style threads used in frac pump fluid ends
US-12492697-B1 · Dec 9, 2025 · US
Harris Ralph E is listed as an inventor on 13 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Harris Ralph E |
| Total patents | 13 |
| First publication | Dec 24, 2020 |
| Latest publication | Dec 9, 2025 |
Publications ranked by popularity score, then publication date.
US-12492697-B1 · Dec 9, 2025 · US
US-12416363-B2 · Sep 16, 2025 · US
US-12366242-B2 · Jul 22, 2025 · US
US-2024288076-A1 · Aug 29, 2024 · US
US-12060946-B2 · Aug 13, 2024 · US
US-12025231-B2 · Jul 2, 2024 · US
US-2023304484-A1 · Sep 28, 2023 · US
US-2023145747-A1 · May 11, 2023 · US
US-2023106466-A1 · Apr 6, 2023 · US
US-2023044928-A1 · Feb 9, 2023 · US
Latest publications not already listed above.
US-11448210-B2 · Sep 20, 2022 · US
US-2022268362-A1 · Aug 25, 2022 · US
US-2020400140-A1 · Dec 24, 2020 · US
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Spm Oil & Gas Inc | 12 |
| SPM Oil & Gas | 1 |
| Spm Flow Control Inc | 1 |
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B43/2607 | 9 |
| F16K1/46 | 8 |
| F16K1/385 | 6 |
| E21B43/12 | 4 |
| F16K1/38 | 4 |