Decoloring apparatus and method
US-11247503-B2 · Feb 15, 2022 · US
for cancelling or correcting errors by overprinting
for cancelling or correcting errors by overprinting · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B41J29/36 |
| Official title | for cancelling or correcting errors by overprinting |
| Display label | for cancelling or correcting errors by overprinting |
| Total patents | 32 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 10 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 3 |
| 2022 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Decoloring apparatus and method
US-11235612-B2 · Feb 1, 2022 · US
Decoloring apparatus and method
US-2020207138-A1 · Jul 2, 2020 · US
Decoloring apparatus and method
US-2020207139-A1 · Jul 2, 2020 · US
Decoloring apparatus and method
US-10618336-B2 · Apr 14, 2020 · US
Decoloring apparatus and method
US-2019001729-A1 · Jan 3, 2019 · US
Decoloring apparatus and method
US-10118428-B2 · Nov 6, 2018 · US
Printing apparatus, printing control method for printing apparatus, and non-transitory computer-readable recording
US-10040300-B2 · Aug 7, 2018 · US
Decoloring apparatus and method
US-9821581-B2 · Nov 21, 2017 · US
Systems for erasing an ink from a medium
US-9770932-B2 · Sep 26, 2017 · US
Printing apparatus, printing control method for printing apparatus, and non-transitory computer-readable recording
US-2017253058-A1 · Sep 7, 2017 · US
Decoloring apparatus and method
US-2016368302-A1 · Dec 22, 2016 · US
Erasure fluid
US-9523006-B2 · Dec 20, 2016 · US
System for handling valuable documents
US-9478089-B2 · Oct 25, 2016 · US
Decoloring apparatus and method
US-9434193-B2 · Sep 6, 2016 · US
Image processing apparatus and method for operating image processing apparatus
US-9405241-B2 · Aug 2, 2016 · US
Decoloring apparatus and method
US-2016185148-A1 · Jun 30, 2016 · US
Decoloring apparatus and method
US-2016185147-A1 · Jun 30, 2016 · US
Systems for erasing an ink from a medium
US-2016167418-A1 · Jun 16, 2016 · US
Image erasing apparatus
US-9330350-B2 · May 3, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B41J29/36?
- CPC B41J29/36 is the Cooperative Patent Classification code for “for cancelling or correcting errors by overprinting.”
- How many patents are filed under CPC B41J29/36 (for cancelling or correcting errors by overprinting)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC B41J29/36 growing?
- Publication counts under this code: 3 in 2020 vs 2 in 2022 (latest complete years).