Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David B. Rolfe — 19 Patents

IBM: 19 patents #5,793 of 70,183Top 9%
West Hurley, NY: #2 of 38 inventorsTop 6%
New York: #7,469 of 115,490 inventorsTop 7%
Overall (All Time): #229,345 of 4,157,543Top 6%
19 Patents All Time
David B. Rolfe has been granted 19 US patents while listed as an inventor at IBM. The first was granted in 1994 and the most recent in August 2000. David B. Rolfe ranks #229,345 of 4,157,543 US inventors in our database (top 5.5%). Patent records list David B. Rolfe in West Hurley, NY, US.

Patents per Year

Patents granted per year, 1994 to 2000Bar chart with a peak of 6 patents in 1996.peak 61994: 1 patents19941996: 6 patents19961997: 2 patents19971998: 4 patents19981999: 5 patents19992000: 1 patents2000

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6108340 Incidence graph based communications and operations method and apparatus for parallel processing architecture Andrew P. Wack 2000-08-22 $30,771,000
5963745 APAP I/O programmable router Clive A. Collins, Michael C. Dapp, James Warren Dieffenderfer, David Christopher Kuchinski, Billy J. Knowles +4 more 1999-10-05 $21,756,000
5963746 Fully distributed processing memory element Thomas Norman Barker, Clive A. Collins, Michael C. Dapp, James Warren Dieffenderfer, Billy J. Knowles +5 more 1999-10-05 $21,756,000
5912893 Incidence graph based communications and operations method and apparatus for parallel processing architecture Andrew P. Wack 1999-06-15 $42,603,000
5903770 Incidence graph based communications and operations method and apparatus for parallel processing architecture Andrew P. Wack 1999-05-11 $48,739,000
5881304 Incidence graph based communications and operations method and apparatus for parallel processing architecture Andrew P. Wack 1999-03-09 $24,110,000
5842031 Advanced parallel array processor (APAP) Thomas Norman Barker, Clive A. Collins, Michael C. Dapp, James Warren Dieffenderfer, Donald G. Grice +12 more 1998-11-24 $39,711,000
5794059 N-dimensional modified hypercube Thomas Norman Barker, Clive A. Collins, Michael C. Dapp, James Warren Dieffenderfer, Billy J. Knowles 1998-08-11 $8,339,000
5717943 Advanced parallel array processor (APAP) Thomas Norman Barker, Clive A. Collins, Michael C. Dapp, James Warren Dieffenderfer, Donald G. Grice +12 more 1998-02-10 $18,636,000
5710935 Advanced parallel array processor (APAP) Thomas Norman Barker, Clive A. Collins, Michael C. Dapp, James Warren Dieffenderfer, Donald G. Grice +12 more 1998-01-20 $22,662,000
5617577 Advanced parallel array processor I/O connection Thomas Norman Barker, Clive A. Collins, Michael C. Dapp, James Warren Dieffenderfer, Donald G. Grice +5 more 1997-04-01 $14,570,000
5594918 Parallel computer system providing multi-ported intelligent memory Billy J. Knowles, Clive A. Collins, Christine M. Desnoyers, Donald G. Grice 1997-01-14 $25,282,000
5590345 Advanced parallel array processor(APAP) Thomas Norman Barker, Clive A. Collins, Michael C. Dapp, James Warren Dieffenderfer, Donald G. Grice +12 more 1996-12-31 $25,939,000
5588152 Advanced parallel processor including advanced support hardware Michael C. Dapp, Thomas Norman Barker, James Warren Dieffenderfer, Billy J. Knowles, Donald Michael Lesmeister +2 more 1996-12-24 $38,165,000
5555528 Dynamic random access memory persistent page implemented as processor register sets Clive A. Collins, Billy J. Knowles, Christine M. Desnoyers, Dale E. Pontius 1996-09-10 $12,851,000
5519664 Dynamic random access memory persistent page implemented as processor register sets Clive A. Collins, Billy J. Knowles, Christine M. Desnoyers, Dale E. Pontius 1996-05-21 $11,195,000
5508968 Dynamic random access memory persistent page implemented as processor register sets Clive A. Collins, Billy J. Knowles, Christine M. Desnoyers, Dale E. Pontius 1996-04-16 $11,483,000
5485626 Architectural enhancements for parallel computer systems utilizing encapsulation of queuing allowing small grain processing Francis D. Lawlor, Jerald E. Leitherer 1996-01-16 $13,247,000
5313645 Method for interconnecting and system of interconnected processing elements by controlling network density 1994-05-17 $6,984,000