1
Robert W Fritts, David M Revak: Leak resistant battery cover. Douglas Battery Manufacturing Company, Rhodes Coats & Bennett L, December 1, 1998: US05843593 (16 worldwide citation)

The present invention is directed to a leak resistant battery cover for storage batteries. The battery cover provides a labyrinth of passages which provide a path from each cell vent to the atmospheric vent. The labyrinth is configured to provide a portion of each path above a level in which the ele ...


2
Robert W Fritts, David M Revak: Leak resistant battery cover. Douglas Battery Manufacturing Company, Rhodes Coats & Bennett L, November 4, 1997: US05683830 (8 worldwide citation)

The present invention is directed to a leak resistant battery cover for storage batteries. The battery cover provides a labyrinth of passages which provide a path from each cell vent to the atmospheric vent. The labyrinth is configured to provide a portion of each path above a level in which the ele ...


3
Robert W Fritts, David M Revak: Battery cover. Doulgas Battery Manufacturing Company, Rhodes Coats & Bennett L, March 24, 1998: US05731100 (3 worldwide citation)

The present invention is directed to a leak resistant battery cover for storage batteries. The battery cover sealably engages a conventional battery housing having multiple cells separated by internal housing walls. The cover has a substantially flat interior area, a portion of which extends over pa ...


4
Robert W Fritts, David M Revak: Battery cover. Douglas Battery Manufacturing Company, Rhodes Coats & Bennett L, November 24, 1998: US05840439 (2 worldwide citation)

The present invention is directed to a leak resistant battery cover for storage batteries. The battery cover sealably engages a conventional battery housing having multiple cells separated by internal housing walls. The cover has a substantially flat interior area, a portion of which extends over pa ...


5
Fritts Robert W, Revak David M: Leak resistant battery cover. Douglas Battery Mfg, August 12, 1998: EP0858116-A1 (1 worldwide citation)

The battery cover comprises a cover having a floor and ceiling forming an interior area, and a bottom adjacent the housing sealably engaging the housing and partition walls. Several cell vents, in and extending through the bottom of the cover, communicate gases within the corresponding cells of the ...


6
Robert W Fritts, David M Revak: Leak resistant battery cover. Douglass Battery Manufacturing Company, Womble Carlyle Sandridge & Rice PLLC, November 5, 2002: USRE037901

The present invention is directed to a leak resistant battery cover for storage batteries. The battery cover provides a labyrinth of passages which provide a path from each cell vent to the atmospheric vent. The labyrinth is configured to provide a portion of each path above a level in which the ele ...