The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 15, 2013
Filed:
Dec. 03, 2007
Applicants:
Richard J. Mangini, Brookfield, CT (US);
Samuel R. Talbot, Marlborough, CT (US);
Inventors:
Richard J. Mangini, Brookfield, CT (US);
Samuel R. Talbot, Marlborough, CT (US);
Assignee:
Otis Elevator Company, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B 1/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
Passive infrared detectors () carried by an elevator car () detect the presence of persons on top of or in the hoistway () below the elevator car (). The passive infrared detectors () can also be used to detect open landing doors with no elevator present.