Inventor · disambiguated record
Cornelius Phaal
Also filed as: PHAAL CORNELIUS
19 granted patents·1,490 citations·filing 1975–1992
96Inventor score
Top patents by PatentIndex Score
19 records- 0198US4373593ADrill bitCHRISTENSEN INC·Filed 1980·Granted Feb 15, 1983·212 cites·12 claims
- 0297US5007207AAbrasive productPHAAL CORNELIUS·Filed 1988·Granted Apr 16, 1991·148 cites·2 claims
- 0397US4861350ATool componentPHAAL CORNELIUS·Filed 1988·Granted Aug 29, 1989·264 cites·9 claims
- 0497US4534773AAbrasive product and method for manufacturingPHAAL CORNELIUS·Filed 1983·Granted Aug 13, 1985·234 cites·9 claims
- 0594US5054246AAbrasive compactsPHAAL CORNELIUS·Filed 1989·Granted Oct 8, 1991·163 cites·15 claims
- 0692US4481016AMethod of making tool inserts and drill bitsCAMPBELL NICOLL A D·Filed 1981·Granted Nov 6, 1984·203 cites·2 claims
- 0791US4246006AMethod of making sintered metal-diamond aggregatesPHAAL CORNELIUS·Filed 1978·Granted Jan 20, 1981·32 cites·30 claims
- 0891US4008055AAbrasive wheel containing nickel coated needle-shaped cubic boron nitride particlesPHAAL CORNELIUS·Filed 1975·Granted Feb 15, 1977·49 cites·1 claims
- 0982US4789385AThermally stable diamond abrasive compact bodyDYER HENRY B·Filed 1987·Granted Dec 6, 1988·41 cites·13 claims
- 1076US4215999AAbrasive compact with a core of high rigidity materialPHAAL CORNELIUS·Filed 1978·Granted Aug 5, 1980·24 cites·14 claims
- 1168US4875907AThermally stable diamond abrasive compact bodyPHAAL CORNELIUS·Filed 1987·Granted Oct 24, 1989·23 cites·4 claims
- 1266US4252102ACutting element for processing rocks, metal or the likeCHRISTENSEN INC·Filed 1979·Granted Feb 24, 1981·25 cites·6 claims
- 1363US4591364AAbrasive materialsPHAAL CORNELIUS·Filed 1980·Granted May 27, 1986·16 cites·29 claims
- 1462US4520881ATool componentPHAAL CORNELIUS·Filed 1983·Granted Jun 4, 1985·17 cites·16 claims
- 1554US4203732AMethod of making an abrasive productPHAAL CORNELIUS·Filed 1975·Granted May 20, 1980·11 cites·5 claims
- 1641US4694710AMethod of making a blank of a drill bitPHAAL CORNELIUS·Filed 1986·Granted Sep 22, 1987·7 cites·6 claims
- 1740US5033334AWire drawing diePHAAL CORNELIUS·Filed 1990·Granted Jul 23, 1991·10 cites·18 claims
- 1836US5648139AWire drawing dies of polycrystalline CVD diamond with boron dopant atomsFiled 1992·Granted Jul 15, 1997·6 cites·7 claims
- 1936US4724728ADrill blanksPHAAL CORNELIUS·Filed 1986·Granted Feb 16, 1988·5 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Cornelius Phaal files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →