- 32 pending patents - https://patents.google.com/?q=(%22Shenzhen+Tuozhu+Technology+Co+ltd%22)&oq=%22Shenzhen+Tuozhu+Technology+Co+ltd%22
- What is the threshold for patenting in China? (non-obvious, first to file, etc?)
- How much does it cost?
- What is the procedure?
- How do you challenge a patent while it is pending? e.g. in the US it is third-party pre-issuance submissions
| Patent number | Name of patent/patent application | awarded or pending | Google Patent link | Date | Main claim | Feature in use before patent date | URL | |
|---|---|---|---|---|---|---|---|---|
| CN114043726A | Method and apparatus for 3D printing, storage medium, and program product | pending | https://patents.google.com/patent/CN114043726A/ | 2021-11-11 | Multiheight slicing | Prusa slicer 2020 at least | https://www.youtube.com/watch?v=Wf55vWzHs7M | |
| CN113895037A | 3D printer and method for 3D printer | pending | https://patents.google.com/patent/CN113895037A/en?q=(%22Shenzhen+Tuozhu+Technology+Co+ltd%22)&oq=%22Shenzhen+Tuozhu+Technology+Co+ltd%22 | 2021-10-26 | Vibration Actuator in 3D Printing (Fuzzy Skin Texture) | Cura Slicer 2020 at least | https://www.youtube.com/watch?v=V0idzsa41LQ | |
| CN114474738A | A mechanism and 3D printing system that reloads for 3D printer | Pending | https://patents.google.com/patent/CN104690973A/zh?oq=CN114474738A | 1/17/2022 | Multi-color filament switching | MMUS2 | https://www.youtube.com/watch?v=E1ZxTCApLrs | |
| CN216267657U | A charging tray for saving 3D prints wire rod | active | https://patents.google.com/patent/CN216267657U/en | 2021-11-08 | Rechargable spool for filament | Masterspool | https://www.youtube.com/watch?v=EOxk70QBQD0 | |
| CN114043728A | 3D printer, method and device for same, 3D printing system and storage medium | pending | https://patents.google.com/patent/CN114043728A/en?q=(%22Shenzhen+Tuozhu+Technology+Co+ltd%22)&oq=%22Shenzhen+Tuozhu+Technology+Co+ltd%22 | 2021-11-16 | Individual printing of multiple sub-objects from a single multi-bodied model using separate wires | |||
| CN216506781U | A storage case and 3D printer for 3D printer | Active | https://patents.google.com/patent/CN216506781U/en?q=(%22shenzhen+tuozhu+technology+co+ltd%22)&oq=%22shenzhen+tuozhu+technology+co+ltd%22&page=1 | 2021-11-04 | Storage case for 3D printer | 2018 | https://www.instructables.com/3D-Printer-Filament-Dry-Box/https://blog.prusa3d.com/dryboxes-and-alternative-spool-holders-not-only-for-multimaterial-upgrade_30525/ | |
| CN215320666U | A structure and 3D printer for supporting print platform of 3D printer | Awarded | https://patents.google.com/patent/CN215320666U/en?q=(%22Shenzhen+Tuozhu+Technology+Co+ltd%22)&oq=%22Shenzhen+Tuozhu+Technology+Co+ltd%22 | 2021-12-28 | A structure for supporting a printing platform of a 3D printer | Prusa Original i3 Printer, 2016 | https://www.youtube.com/watch?v=Fmm8vdy0p_k | |
| CN114013044A | Method, computing device, storage medium, and program product for 3D printing | Pending | https://patents.google.com/patent/CN114013044A/en?q=(%22Shenzhen+Tuozhu+Technology+Co+ltd%22)&oq=%22Shenzhen+Tuozhu+Technology+Co+ltd%22 | 2021-11-01 | Multipart slicing on multiple print beds | Prusa slicer 2020 at least | https://www.youtube.com/watch?v=KG2U_EmJNe8https://forum.prusa3d.com/forum/prusaslicer/multiple-build-plates-in-one-project/ | |
| CN113844030A | Method for 3D printer and 3D printer device | Pending | Link | 2021-12-28 | Printhead extruder with a cutter for single-nozzle multi-material FFF 3D printing |
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| CN113246473A | Compensation method and compensation device for 3D printer, 3D printer and storage medium | Awarded | https://patents.google.com/patent/CN113246473A/en?q=(%22Shenzhen+Tuozhu+Technology+Co+ltd%22)&oq=%22Shenzhen+Tuozhu+Technology+Co+ltd%22 | 2022-04-22 | Method for developing a compensation coefficient for extrusion speed | Printer Calibration of the Prusa using Extrusion Multiplier | https://help.prusa3d.com/article/extrusion-multiplier-calibration_2257 | |
| CN216182842U | 3D printer | Active | CN216182842U - 3D printer - Google Patents | 2021-11-05 | Adjustable 3D printer display screen | Creality 3D PAD-2021.10.12
Connecting phone to the 3D printer-2021.11.05 |
Creality 3D PAD Upgraded Touch Screen For All FDM 3D Printers - YouTubeHow to run OctoPrint on your phone! - YouTube | |
| CN114311683A | Method for 3D printer and 3D printer | Pending | https://patents.google.com/patent/CN114311683A/en?q=(%22Shenzhen+Tuozhu+Technology+Co+ltd%22)&oq=%22Shenzhen+Tuozhu+Technology+Co+ltd%22&page=1 | 12/31/2021 | Control Scheme for calibrationless bed levelling via comparing pretermined acceleration profiles and instantaneous force and acceleration from pressure sensors | na | na | |
| CN111775448A | A smart 3-D printing platform | Active | https://patents.google.com/patent/CN111775448A/zh?q=(%22Shenzhen+Tuozhu+Technology+Co+ltd%22)&oq=%22Shenzhen+Tuozhu+Technology+Co+ltd%22 | 2020-07-06 | A new kind of 3-D printing platform. It uses the polar coordinate. | Polar coordinates 3d printer | https://www.youtube.com/watch?v=xZXjlcSOUoA | |
| CN215791804U | Printing platform for 3D printing and 3D printer | Active | https://patents.google.com/patent/CN215791804U/en?q=(%22Shenzhen+Tuozhu+Technology+Co+ltd%22)&oq=%22Shenzhen+Tuozhu+Technology+Co+ltd%22 | 2021-09-29 | Use of camera with lighting to montior print quality | Aliaksei and Pearce paper, published on December 2020, on: Open source computer vision-based layer-wise 3D printing analysis. | https://doi.org/10.1016/j.addma.2020.101473 | |
| CN218505233U | A belt straining device and 3D printer for 3D printer | Awarded | https://patents.google.com/patent/CN218505233U/en | 2021-10-19 | automatic tensioning belt, and has made the belt keep tensile force | Oct. 28 2020 | https://www.amazon.ca/UniTak3D-X-axis-Tensioner-Creality-Printers%EF%BC%88Black%EF%BC%89/dp/B08DRHFJ7V/ | |
| CN216230793U | Waste material wiping nozzle mechanism for 3D printer and 3D printer | Active | https://patents.google.com/patent/CN216230793U/en?q=(%22Shenzhen+Tuozhu+Technology+Co+ltd%22)&oq=%22Shenzhen+Tuozhu+Technology+Co+ltd%22&page=2 | 2021-11-11 | A waste material nozzle wiping mechanism for a 3D printer | |||
| CN218020211U | Waste box for 3D printer | Awarded | https://patents.google.com/patent/CN218020211U/en?q=(%22Shenzhen+Tuozhu+Technology+Co+ltd%22)&oq=%22Shenzhen+Tuozhu+Technology+Co+ltd%22&page=2 | 2021-10-26 | Waste box comprising of: a box body, a feeding device and a processing device, as well as a wiper used for cleaning the nozzle | Wiper: At least 2017 (Lulzbot Felt Wiper)
Waste bin with horizontal feeder hole and vertical bottom wall and oblique bottom wall on Thingiverse 2019 |
(Lulzbot Felt Wiper) https://www.youtube.com/watch?v=eWF59jkzjW4
Wastebin on Thingiverse https://www.thingiverse.com/thing:3671484 |
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| CN114670450A | Method, apparatus, device, storage medium and program product for 3D printing | Pending | https://patents.google.com/patent/CN114670450A/en?q=(%22shenzhen+tuozhu+technology+co+ltd%22)&oq=%22shenzhen+tuozhu+technology+co+ltd%22&page=1 | 2022-06-28 | Method for slicing the 3D model and printing it over some model’s feature | Prusa slicer 2020 at least | https://ultimaker.com/software/ultimaker-cura?gclid=CjwKCAjwitShBhA6EiwAq3RqAxgW63rUDd213tnRqYK8a5i5puAsn4XwnnSdU6yeCaVS75_uNNu42BoCEk4QAvD_BwE | |
Patent Information[edit | edit source]
#5 - CN114043728A[edit | edit source]
The key aspects of the patent include:
- Acquiring a three-dimensional model file that defines a plurality of sub-models to be printed by different wires.
- Generating control code executable by a processor of the 3D printer to perform a multi-layer switching printing strategy for the plurality of sub-models.
- Printing the sub-models using different wires in different regions on the print deck, while maintaining a threshold height for the vertical direction dimension difference between printed portions in each region and other regions on the print deck.
- Performing material change operations to replace the wires during the printing process.