Charles E. Huffman has been granted 16 US patents. The first was granted in 1980 and the most recent in November 2002. Charles E. Huffman ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Charles E. Huffman in Plano, TX, US.
Patents per Year Patents granted per year, 1980 to 2002 Bar chart with a peak of 5 patents in 1986. peak 5 1980: 2 patents 1980 1983: 3 patents 1983 1984: 1 patents 1984 1985: 1 patents 1985 1986: 5 patents 1986 1991: 1 patents 1991 1993: 1 patents 1993 1994: 1 patents 1994 2002: 1 patents 2002
Issued Patents All Time
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Showing 1–16 of 16 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
6484993 Pivotal arm lift for television display — 2002-11-26
5366203 Projector ceiling lift — 1994-11-22
5261645 Projector ceiling lift — 1993-11-16
4992143 Continuous process for the separation of a partially water soluble component from a slurry Heinrich Steude , Joerg Krell , Charles F. Ho , Michael E. Bowsher 1991-02-12
4631719 Channel looping apparatus for failure analysis Paul E. Pepmiller 1986-12-23
$10,651,000
4601028 Method of and apparatus for checking datapath failure in a communication muldem Paul E. Pepmiller 1986-07-15
$6,882,000
4595907 PCM data translating apparatus Stephen R. Southerland 1986-06-17
$6,744,000
4581741 Error detection apparatus for data dependent coding circuitry Richard L. Majefski 1986-04-08
$7,861,000
4574385 Clock divider circuit incorporating a J-K flip-flop as the count logic decoding means in the feedback loop Jeffrey Foust 1986-03-04
$4,246,000
4551830 Apparatus for providing loopback of signals where the signals being looped back have an overhead data format which is incompatible with a high speed intermediate carrier overhead format — 1985-11-05
$7,056,000
4434485 Drop and insert channel bank with reduced channel units Stephen R. Southerland 1984-02-28
$6,139,000
4416009 Synchronous coupling of framed data in digital transmission Stephen R. Southerland 1983-11-15
$5,297,000
4387459 Non-buffered loop-timed channel bank — 1983-06-07
$5,751,000
4377861 Time division demultiplexer with independent data distribution — 1983-03-22
$11,022,000
4242756 Multiline switching protection apparatus Robert J. McGuire , Herbert E. Welch 1980-12-30
$5,121,000
4236250 Multiline switch — 1980-11-25
$4,466,000