Patents by Inventor Joaquin Perez

Joaquin Perez 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).

  • Shaft cover for shafts, channel entrances, or drainage channels
    Patent number: 10851516
    Abstract: A manhole cover for manholes, sewer accesses or drainage channels, including a reinforcing element and a body made of plastic which is connected to the reinforcing element. The reinforcing element may be constructed from intersecting, vertically aligned elements. Corrugations may be formed in the reinforcing element. The reinforcing elements may be arched and may include an outer encircling strip and a central plate, which are each connected to the body made of plastic. The reinforcing element rests on a bearing surface on the manhole, sewer access or drainage channel when the manhole, sewer access or drainage channel is closed by means of the manhole cover. The body made of plastic includes ribs, which extend perpendicularly or at an angle of more than 45° to the surface surrounding the manhole cover, sewer access or drainage channel when the manhole, sewer or drainage channel is closed.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: December 1, 2020
    Inventors: Torsten Hensel, Patrick Frey, Helge Weiler-Schlecker, Andreas Wuest, Kay Michael Brockmueller, Milan Kopecek, Andre Schaefer, Joaquin Perez
  • SHAFT COVER FOR SHAFTS, CHANNEL ENTRANCES, OR DRAINAGE CHANNELS
    Publication number: 20190323199
    Abstract: A manhole cover for manholes, sewer accesses or drainage channels, including a reinforcing element and a body made of plastic which is connected to the reinforcing element. The reinforcing element may be constructed from intersecting, vertically aligned elements. Corrugations may be formed in the reinforcing element. The reinforcing elements may be arched and may include an outer encircling strip and a central plate, which are each connected to the body made of plastic. The reinforcing element rests on a bearing surface on the manhole, sewer access or drainage channel when the manhole, sewer access or drainage channel is closed by means of the manhole cover. The body made of plastic includes ribs, which extend perpendicularly or at an angle of more than 45° to the surface surrounding the manhole cover, sewer access or drainage channel when the manhole, sewer or drainage channel is closed.
    Type: Application
    Filed: June 19, 2017
    Publication date: October 24, 2019
    Inventors: Torsten Hensel, Patrick Frey, Helge Weiler-Schlecker, Andreas Wuest, Kay Michael Brockmueller, Milan Kopecek, Andre Schaefer, Joaquin Perez