Robert E. Nelson has been granted 22 US patents while listed as an inventor at Tpv Energy Systems . The first was granted in 1980 and the most recent in August 2000. Robert E. Nelson ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list Robert E. Nelson in Indianapolis, IN, US.
Patents per Year Patents granted per year, 1980 to 2000 Bar chart with a peak of 3 patents in 1987. peak 3 1980: 1 patents 1980 1983: 1 patents 1984: 1 patents 1984 1985: 1 patents 1986: 2 patents 1986 1987: 3 patents 1988: 3 patents 1988 1989: 2 patents 1990: 1 patents 1990 1991: 1 patents 1992: 1 patents 1992 1993: 1 patents 1994: 1 patents 1994 1998: 1 patents 2000: 2 patents 2000
Issued Patents All Time
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Showing 1–22 of 22 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
6104031 Surveillance systems Mark K. Goldstein , Louis Montulli 2000-08-15
6092912 Portable, small, light-weight radiant and/or electrical power generating sources — 2000-07-25
5806472 Method and means for removal of used oil and blending with fuel for disposal in an engine Robert M. Nelson 1998-09-15
5360490 Radiant emission and thermophotovoltaic technology — 1994-11-01
5240407 Process for producing a sturdy refractory metal oxide article Walter J. Diederich 1993-08-31
5104312 Mantle technology William P. Dowst , Brendan P. McFadden , Jens F. S. Olow 1992-04-14
5057162 Thermophotovoltaic technology — 1991-10-15
4976606 Thermophotovoltaic technology — 1990-12-11
4883619 Refractory metal oxide processes Walter J. Diederich 1989-11-28
4826426 Thermophotovoltaic technology — 1989-05-02
4764104 Narrow band thermal emitter — 1988-08-16
4750943 Thermophotovoltaic system — 1988-06-14
4747300 Sensing pump with improved discrimination between liquids and gases Robert M. Nelson 1988-05-31
4707560 Thermophotovoltaic technology Hoyt C. Hottel , C. Robert Parent 1987-11-17
4666676 Radioactive waste processing apparatus Anton Ziegler , David F. Serino , Paul J. Basnar 1987-05-19
4661406 Strength element for fiber optic cables Joel D. Gruhn , Mark R. Canrobert 1987-04-28
4598206 Infrared radiation reference — 1986-07-01
$13,416,000
4584426 Thermophotovoltaic technology — 1986-04-22
$11,401,000
4496287 Sensors for detection of fluid condition, and control systems utilizing their signals Robert M. Nelson 1985-01-29
4480426 Material bagging device Charles G. Wach , Stephen B. Brak 1984-11-06
4376449 Two reservoir system in which fluid is drawn from one to maintain a level in the other Robert M. Nelson 1983-03-15
4236115 Synchronization detecting and indicating system — 1980-11-25
$3,524,000
