Robert J. Oliveira has been granted 18 US patents while listed as an inventor at Hearing Components . The first was granted in 1980 and the most recent in February 2012. Robert J. Oliveira ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list Robert J. Oliveira in Maplewood, MN, US.
Patents per Year Patents granted per year, 1980 to 2012 Bar chart with a peak of 2 patents in 1997. peak 2 1980: 1 patents 1980 1989: 1 patents 1990: 1 patents 1990 1991: 1 patents 1995: 1 patents 1995 1997: 2 patents 1999: 2 patents 1999 2001: 2 patents 2003: 1 patents 2003 2007: 1 patents 2008: 1 patents 2008 2009: 1 patents 2011: 1 patents 2011 2012: 2 patents 2012
Issued Patents All Time
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Showing 1–18 of 18 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
8111863 Earbud adapter Michael T. Venem , Martin P. Babcock 2012-02-07
8111864 Earbud adapter Michael T. Venem , Martin P. Babcock 2012-02-07
7864973 User disposable sleeve for use within the ear canal Michael T. Venem , Martin P. Babcock 2011-01-04
7600604 User disposable member for use within the ear canal and methods for manufacturing the same Martin P. Babcock , William L. Parish , Vasant V. Kolpe , Michael T. Venem 2009-10-13
7349550 Earbud adapter Michael T. Venem , Martin P. Babcock 2008-03-25
7236605 User disposable sleeve for use within the ear canal Michael T. Venem , Martin P. Babcock 2007-06-26
6622815 Transducer support pad Vasant V. Kolpe , Martin P. Babcock 2003-09-23
6310961 Disposable sleeve assembly for sound control device and container therefor Martin P. Babcock , Davis W. Chamberlin 2001-10-30
6292565 Assembly including a phone cover Davis W. Chamberlin 2001-09-18
5996584 Sealing strip for ear plugs and the like Davis W. Chamberlin 1999-12-07
5920636 Disposable foam sleeve for sound control device and container therefor Martin P. Babcock , Davis W. Chamberlin 1999-07-06
5682020 Sealing of hearing aid to ear canal — 1997-10-28
5643188 Liner-protected adhesive strip — 1997-07-01
5401920 Cerumen filter for hearing aids — 1995-03-28
5002151 Ear piece having disposable, compressible polymeric foam sleeve Davis W. Chamberlin , Martin P. Babcock 1991-03-26
$8,296,000
4969534 Hearing aid employing a viscoelastic material to adhere components to the casing Vasant V. Kolpe , Davis W. Chamberlin 1990-11-13
$28,305,000
4880076 Hearing aid ear piece having disposable compressible polymeric foam sleeve Carl S. Ahlberg , Davis W. Chamberlin , Jerold W. Bushong , Vasant V. Kolpe 1989-11-14
$8,913,000
4242096 Immunoassay for antigens Spencer F. Silver 1980-12-30
$5,161,000
