Boldan Oy
Rajamäki, FI· latest recorded location
BOLDAN OY is named on 6 US grants and 7 published applications in this corpus. Its most frequent classification is B08B (Cleaning in general).
- Granted patents
- 6
- Published applications
- 7
- Inventors
- 5
- Granted in 2026 so far
- 1
- Most recent grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 5 | 0 |
| 2024 | 0 | 2 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Technology areas
Share of 13 documents
- B08BCleaning in general5
- E03FSewers5
- F16LPipes5
- B24BMachines, devices, or processes for grinding or polishing3
- E03CDomestic plumbing installations for fresh water or waste water3
- B21LMaking metal chains2
- B24DTools for grinding, buffing or sharpening2
- B23KSoldering or unsoldering1
- B29CShaping or joining of plastics1
- E21BEarth or rock drilling1
Recent patents
- Guide for guiding an inflatable bladder within a pipeline and a bladder assembly8 Sep 2026US 12,729,797 B2
- Sewer cleaning machine12 Dec 2023US D1,007,791 S1Design
- Sewer cleaning machine19 Sep 2023US D999,467 S1Design
- Sewer cleaner part5 Sep 2023US D998,266 S1Design
- Sewer cleaning machine29 Aug 2023US D997,474 S1Design
- Bladder, a packer tool assembly and a method for assembling the packer tool assembly30 Oct 2025US 2025/0332784 A1
- Rotatable grinding tool17 Oct 2024US 2024/0342863 A1
- Guide for guiding an inflatable bladder within a pipeline and a bladder assembly22 Aug 2024US 2024/0280205 A1
- Blade bit of a pipe cleaning or opening device5 Mar 2020US 2020/0070218 A1
- Cleaning device for internal cleaning of drain or sewer pipes27 Jun 2019US 2019/0194929 A1
Most cited
By later US patents