1
Marvin A Leedom, John G Aceti, Walter P Sjursen, Derek D Mahoney, John M Margicin, Michael H Tardugno, Robert R Demers, John E Oltman, Robert C Maxwell, Frederick J Fritz: Hearing aid. Sarnoff Corporation, Hamilton Brook Smith & Reynolds P C, March 7, 2006: US07010137 (73 worldwide citation)

A hearing aid insertable into an ear canal includes a microphone which translates acoustic energy into electrical signals, signal processing circuitry which processes the electrical signals provided by the microphone, a receiver which converts the processed electrical signals into acoustic energy, a ...


2
John E Oltman, Robert B Dopp: Seal for metal-air batteries. Ray O Vac Corporation, Raymond J Kenny, Edward A Steen, August 10, 1982: US04343869 (58 worldwide citation)

An improved metal-oxygen button cell having a thermoplastic sealing annular ring placed between the cathode assembly and the grommet is provided. The cell basically is comprised of the following components: a conductive metal can, a cathode assembly in the can, a conductive metal cover, an anode mat ...


3
John E Oltman, Gerald F Sanden: Case for metal/air electrochemical cells, and cells and lantern batteries thereof. Rayovac Corporation, Kenyon & Kenyon, August 18, 1987: US04687714 (37 worldwide citation)

A case for enclosing a metal anode, air cathode, and electrolyte of a metal/air electrochemical cell is prepared by securing a multi-functional metallic cover, which has means for providing ingress of oxygen to the air cathode, to a non-conductive container. The container is capable of expanding to ...


4
John E Oltman, Denis D Carpenter, Robert B Dopp: Metal-air cathode button cell. Rayovac Corporation, Kenyon & Kenyon, May 27, 1986: US04591539 (30 worldwide citation)

A button cell having an air cathode assembly wherein grooves are constructed between the cathode and cell container to provide a gas diffusion passage from a port extending through the container to the face of the air cathode.


5
John E Oltman, Robert B Dopp, Denis D Carpenter: Seal tab for a metal-air electrochemical cell. Rayovac Corporation, Kenyon & Kenyon, March 10, 1987: US04649090 (26 worldwide citation)

A seal tab consisting of an acrylic adhesive applied to a biaxially-oriented three-ply synthetic paper of polypropylene is used as a sealing means for metal-air electrochemical cells, and batteries constructed thereof. The seal tabs prevent loss of rate capability and capacity due to interactions wi ...


6
John E Oltman, Robert B Dopp, John D Burns: Metal-air cell having thin-walled anode and cathode cans. Rayovac Corporation, Tom Wilhelm, Brian Tumm, October 22, 1996: US05567538 (26 worldwide citation)

This invention pertains to alkaline electrochemical cells, typically to metal-air cells of the button-type. Non-reactive elements of cells of the invention are thinner than corresponding non-reactive elements of prior art cells. Such elements can be made thinner because of improved structures of suc ...


7
John E Oltman: High steel content thin walled anode can. Rayovac Corporation, Thomas D Wilhelm, Brian R Tumm, January 7, 1997: US05591541 (21 worldwide citation)

This invention pertains to alkaline electrochemical cells, typically to metal-air cells of the button-type. Non-reactive elements of cells of the invention are thinner than corresponding non-reactive elements of prior art cells. Such elements can be made thinner because of improved structures of suc ...


8
Robert B Dopp, John E Oltman, Joseph L Passaniti: Metal-air cathode and cell having a hardened current collecting substrate. Rayovac Corporation, Thomas D Wilhelm, Brian R Tumm, December 24, 1996: US05587259 (19 worldwide citation)

A metal current collecting substrate for an air cathode in an electrochemical metal air cell is provided for, wherein the substrate is hardened by one of the steps of sandblasting, shotblasting, plastic deformation of the substrate below the recrystallization temperature range of the metal thereof, ...


9
Marvin A Leedom, John G Aceti, Walter P Sjursen, Derek D Mahoney, John M Margicin, Michael H Tardugno, Robert R Demers, John E Oltman, Robert C Maxwell, Frederick J Fritz: Hearing aid. Sarnoff Corporation, Hamilton Brook Smith & Reynolds P C, May 19, 2009: US07536023 (18 worldwide citation)

A disposable hearing aid insertable into an ear canal which includes a microphone which translates acoustic energy into electrical signals, signal processing circuitry which processes the electrical signals provided by the microphone, a receiver which converts the processed electrical signals into a ...


10
Stephen D Julstrom, Timothy S Monroe, Mead C Killion, John E Oltman: Rechargeable battery assemblies and methods of constructing rechargeable battery assemblies. Etymotic Research, McAndrews Held & Malloy, June 11, 2013: US08460816 (14 worldwide citation)

Rechargeable battery assemblies and methods of constructing rechargeable battery assemblies are provided. Rechargeable battery assemblies can include a storage cell and receive circuitry comprising a receive coil operatively connected to receive control circuitry, the receive coil configured to rece ...