Patents by Inventor Lawrence J. Crowley

Lawrence J. Crowley 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).

  • Solar structure
    Patent number: 5216834
    Abstract: A solar structure, and more particularly a greenhouse, comprising a framework formed from frame members (20, 20a) and a flexible cover (26) having portions (28) of varying optical density along its length, and wound between a pair of opposed spooled 24 mounted on respective sides of the framework such that the cover is wound from one spool to the opposed spool. The cover is constrained to move over rollers (22) extending longitudinally of the framework, and the edges of the cover are received to move within slots formed in the edges of the frame members.
    Type: Grant
    Filed: December 9, 1991
    Date of Patent: June 8, 1993
    Inventor: Lawrence J. Crowley