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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RH

Robert B. Hall — 20 Patents

ASAstropower: 11 patents #2 of 18Top 15%
ASAstro System: 3 patents #2 of 10Top 20%
UDUniversity Of Delaware: 3 patents #69 of 660Top 15%
Google: 3 patents #8,096 of 22,993Top 40%
Newark, DE: #61 of 1,550 inventorsTop 4%
Delaware: #399 of 7,163 inventorsTop 6%
Overall (All Time): #214,803 of 4,157,543Top 6%
20 Patents All Time
Robert B. Hall has been granted 20 US patents while listed as an inventor at Astropower. The first was granted in 1980 and the most recent in April 2014. Robert B. Hall ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list Robert B. Hall in Newark, DE, US.

Patents per Year

Patents granted per year, 1980 to 2014Bar chart with a peak of 2 patents in 1988.peak 21980: 1 patents19801984: 1 patents1985: 1 patents19851987: 1 patents1988: 2 patents19881991: 1 patents1993: 1 patents19931994: 1 patents1996: 1 patents19961999: 1 patents2000: 1 patents20002001: 2 patents2002: 2 patents20022003: 1 patents2012: 2 patents20122014: 1 patents2014

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8700625 Identifying alternative products Andy Carlson 2014-04-15 $9,690,000
8195663 Identifying alternative products Andy Carlson 2012-06-05 $37,492,000
8190609 Identifying alternative products Andy Carlson 2012-05-29 $32,321,000
6632413 Method for purifying silicon Roger F. Clark, Michael G. Mauk, Allen M. Barnett 2003-10-14
6420643 Silicon thin-film, integrated solar cell, module, and methods of manufacturing the same David H. Ford, Allen M. Barnett, James A. Rand 2002-07-16 $4,782,000
6362021 Silicon thin-film, integrated solar cell, module, and methods of manufacturing the same David H. Ford, Allen M. Barnett, James A. Rand 2002-03-26 $8,655,000
6211455 Silicon thin-film, integrated solar cell, module, and methods of manufacturing the same David H. Ford, Allen M. Barnett, James A. Rand 2001-04-03 $11,368,000
6207891 Columnar-grained polycrystalline solar cell substrate Allen M. Barnett, Joseph C. Checchi, David H. Ford, Christopher L. Kendall, James A. Rand 2001-03-27 $10,457,000
6111191 Columnar-grained polycrystalline solar cell substrate and improved method of manufacture Allen M. Barnett, Sandra R. Collins, Joseph C. Checchi, David H. Ford, Christopher L. Kendall +2 more 2000-08-29 $4,782,000
RE36156 Columnar-grained polycrystalline solar cell and process of manufacture Allen M. Barnett, Sandra R. Collins, Joseph C. Checchi, David H. Ford, Christopher L. Kendall +2 more 1999-03-23
5496416 Columnar-grained polycrystalline solar cell and process of manufacture Allen M. Barnett, Sandra R. Collins, Joseph C. Checchi, David H. Ford, Christopher L. Kendall +2 more 1996-03-05
5336335 Columnar-grained polycrystalline solar cell and process of manufacture Allen M. Barnett, Jacob Embree Brown, Joseph C. Checchi, David H. Ford, Christopher L. Kendall +3 more 1994-08-09
5266125 Interconnected silicon film solar cell array James A. Rand, Allen M. Barnett 1993-11-30
5057163 Deposited-silicon film solar cell Allen M. Barnett, James A. Rand, David H. Ford 1991-10-15
4781766 Fault tolerant thin-film photovoltaic cell and method Allen M. Barnett, Jeff W. Edington, Alexander P. Davidson, William Tiller 1988-11-01 $326,000
4772564 Fault tolerant thin-film photovoltaic cell fabrication process Allen M. Barnett 1988-09-20 $392,000
4677250 Fault tolerant thin-film photovoltaic cell Allen M. Barnett 1987-06-30 $408,000
4526809 Process and apparatus for formation of photovoltaic compounds Richard E. Rocheleau 1985-07-02
4477688 Photovoltaic cells employing zinc phosphide Allen M. Barnett, Anthony Catalano, Vikram L. Dalal, James V. Masi, John D. Meakin 1984-10-16
4239553 Thin film photovoltaic cells having increased durability and operating life and method for making same Allen M. Barnett, James V. Masi 1980-12-16