Patents by Inventor Ping Yiu Lo

Ping Yiu Lo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Multi-filtration auto-drainage/irrigation pipe and planting device
    Patent number: 9596812
    Abstract: A multi-filtration auto-drainage/irrigation pipe includes a pipe body, which includes a first drainage and irrigation channel, a second drainage and irrigation channel, a third drainage and irrigation channel, a first drainage and irrigation port, a second drainage and irrigation port and a third drainage and irrigation port. The first drainage and irrigation port is a first filtering layer having first filtering holes uniformly distributed. The second drainage and irrigation port is a second filtering layer having second filtering holes uniformly distributed. The third drainage and irrigation port is a third filtering layer having third filtering holes uniformly distributed. The first drainage and irrigation port is arranged on a pipe wall of the pipe body. The second drainage and irrigation port is arranged between the second and the third drainage and irrigation channels. The third drainage and irrigation port is arranged between the second and the first drainage and irrigation channels.
    Type: Grant
    Filed: March 24, 2014
    Date of Patent: March 21, 2017
    Inventor: Ping Yiu Lo
  • Multi-filtration auto-drainage/irrigation pipe and planting device
    Publication number: 20150230416
    Abstract: A multi-filtration auto-drainage/irrigation pipe includes a pipe body, which includes a first drainage and irrigation channel, a second drainage and irrigation channel, a third drainage and irrigation channel, a first drainage and irrigation port, a second drainage and irrigation port and a third drainage and irrigation port. The first drainage and irrigation port is a first filtering layer having first filtering holes uniformly distributed. The second drainage and irrigation port is a second filtering layer having second filtering holes uniformly distributed. The third drainage and irrigation port is a third filtering layer having third filtering holes uniformly distributed. The first drainage and irrigation port is arranged on a pipe wall of the pipe body. The second drainage and irrigation port is arranged between the second and the third drainage and irrigation channels. The third drainage and irrigation port is arranged between the second and the first drainage and irrigation channels.
    Type: Application
    Filed: March 24, 2014
    Publication date: August 20, 2015
    Applicant: FUNNY PLANTING LIMITED
    Inventor: Ping Yiu Lo