Pipe slitter
US-12496645-B1 · Dec 16, 2025 · US
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The Charles Machines Works Inc patents
The Charles Machines Works Inc holds 3 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 3 |
| Recent patents | 1 |
| First publication | Sep 5, 2017 |
| Latest publication | Dec 16, 2025 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Hydraulic control system
US-10582652-B2 · Mar 10, 2020 · US
Microtrenching blade and tooth
US-D796291-S · Sep 5, 2017 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Pipe slitter
US-12496645-B1 · Dec 16, 2025 · US
Hydraulic control system
US-10582652-B2 · Mar 10, 2020 · US
Microtrenching blade and tooth
US-D796291-S · Sep 5, 2017 · US
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Human Necessities | 1 |
| Operations & Transport | 1 |
| Fixed Constructions | 1 |
| Mechanical Engineering | 1 |