Patents

Walking aid including a bendable puck coupled between a foot and handle

United States 9,084,458
Issued July 21, 2015
An example can include an apparatus for aiding walking along a surface. The example can include a foot to interface with the surface, the foot being rigid to resist bending during walking. The example can include a bendable puck fixed to the foot at an edge of the bendable puck. The example can include a handle coupled to a center portion of the bendable puck. In the example, the foot can be…

 

Information retrieval systems, methods, and software with content-relevancy enhancements

United States 9,092,756
Issued July 28, 2015
The present inventors devised, among other things, systems, methods, and software for enhancing the relevancy of content presented to users in response to queries in an online information retrieval system. One exemplary system refines a user input query by making suggestions of alternatives queries. A switchboard module converts the refined query, administers one or more searches, and collects…

 

System and method for computer based testing using cache and cacheable objects to expand functionality of a test driver application

United States 8,798,520
Issued August 5, 2014
A system and method for computer-based testing includes a test driver that controls delivery of a computer-based test to one or more test candidates and that controls caching of test components during delivery of the test. The system includes various monitoring components, including monitoring of candidate progress, candidate performance, network bandwidth, network latency and server response,…

 

Pneumatic pressure probe

United States 5,857,969
Issued January 12, 1999
A pneumatic pressure probe for use in measuring pulsatile ocular blood flow comprises a housing consisting of an air tight bearing defining a pressure chamber, a piston having an axial bore communicating with the pressure chamber, the proximal end of the piston carrying a counter balancing weight and being received in the pressure chamber and the distal end of the piston extending outwardly of…

 

Improvements in and relating to a pneumatic pressure probe

United Kingdom GB2295460
Issued April 28, 1998
A pneumatic pressure probe for use in measuring pulsatile ocular blood flow comprises a housing 1 consisting of an air tight bearing defining a pressure chamber 10, a piston 5 having an axial bore 8 communicating with the pressure chamber, the proximal end of the piston carrying a counter balancing weight 16 and being received in the pressure chamber and the distal end of the piston extending…