Manfred Ullrich has been granted 17 US patents. The first was granted in 1981 and the most recent in July 2011. Manfred Ullrich ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Manfred Ullrich in Denzlingen, DE.
Patents per Year Patents granted per year, 1981 to 2011 Bar chart with a peak of 3 patents in 1992. peak 3 1981: 2 patents 1981 1982: 1 patents 1983: 1 patents 1983 1984: 1 patents 1985: 1 patents 1985 1986: 2 patents 1987: 1 patents 1987 1988: 1 patents 1989: 1 patents 1989 1991: 1 patents 1992: 3 patents 1992 2002: 1 patents 2011: 1 patents 2011
Issued Patents All Time
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Showing 1–17 of 17 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
7975191 Nonvolatile memory device comprising a programming and deletion checking option Martin Bayer , Hans-Jörg Fink , Reiner Bidenbach , Thilo Rubehn 2011-07-05
6421273 Electrically erasable and programmable, non-volatile memory device — 2002-07-16
5173251 Mixing apparatus for fluids Gunter Damm , Ralf Wehrlein 1992-12-22
5128892 Parallel adder — 1992-07-07
5111422 Circuit arrangement for calculating product sums — 1992-05-05
5047659 Non-overlapping two-phase clock generator utilizing floating inverters — 1991-09-10
4849157 Core barrel for a high-temperature nuclear reactor — 1989-07-18
4734597 CMOS inverter chain Arnold Uhlenhoff 1988-03-29
4707327 Container system for a high-temperature nuclear reactor Herbert Reutler 1987-11-17
4568968 Digital integrated circuit for the color matrix of a color-television set — 1986-02-04
$6,974,000
4563326 High temperature nuclear power plant with a hot-gas pipeline which can be separated from the reactor vessel Rainer Sahler 1986-01-07
4545954 Device for shutting down a high-temperature nuclear reactor Herbert Reutler , Hubert Schepers 1985-10-08
4476089 High temperature reactor of modular construction Ulrich Muller-Frank , Herbert Reutler 1984-10-09
4411860 Pebble bed reactor with feeding device for absorber material and method for its operation Herbert Reutler , Ulrich Muller-Frank , Hubert Schepers 1983-10-25
4356407 Input circuit for bucket brigade — 1982-10-26
$6,251,000
4272831 Two-dimensional analog memory — 1981-06-09
$4,570,000
4254345 Output circuit for bucket-brigade devices — 1981-03-03
$2,431,000
