Inventor · disambiguated record
Carl M. Campbell
Also filed as: CAMPBELL CARL · CAMPBELL CARL M · CAMPBELL JR CARL M · GIBSON HAROLD F
19 granted patents·3 pending applications·3,142 citations·filing 1977–2009
97Inventor score
Files withBURROUGHS CORP6MASTERCARD INTERNATIONAL INC6HOGAN EDWARD J4VISA INT SERVICE ASS4INTERBANK CARD ASS1
Top patents by PatentIndex Score
22 records- 0198US7379919B2Method and system for conducting secure payments over a computer networkMASTERCARD INTERNATIONAL INC·Filed 2001·Granted May 27, 2008·356 cites·12 claims
- 0298US7177848B2Method and system for conducting secure payments over a computer network without a pseudo or proxy account numberMASTERCARD INTERNATIONAL INC·Filed 2001·Granted Feb 13, 2007·390 cites·6 claims
- 0398US6990470B2Method and system for conducting secure payments over a computer networkMASTERCARD INTERNATIONAL INC·Filed 2001·Granted Jan 24, 2006·364 cites·14 claims
- 0498US4408203ASecurity system for electronic funds transfer systemMASTERCARD INTERNATIONAL INC·Filed 1980·Granted Oct 4, 1983·225 cites·8 claims
- 0595US4605820AKey management system for on-line communicationVISA USA INC·Filed 1983·Granted Aug 12, 1986·205 cites·13 claims
- 0695US4160120ALink encryption deviceBURROUGHS CORP·Filed 1977·Granted Jul 3, 1979·172 cites·26 claims
- 0795US4159468ACommunications line authentication deviceBURROUGHS CORP·Filed 1977·Granted Jun 26, 1979·238 cites·27 claims
- 0894US4259720ASecurity system for electronic funds transfer systemINTERBANK CARD ASS·Filed 1978·Granted Mar 31, 1981·139 cites·5 claims
- 0994US4172213AByte stream selective encryption/decryption deviceBURROUGHS CORP·Filed 1977·Granted Oct 23, 1979·161 cites·49 claims
- 1093US6915279B2System and method for conducting secure payment transactionsMASTERCARD INTERNATIONAL INC·Filed 2002·Granted Jul 5, 2005·136 cites·81 claims
- 1190US4369332AKey variable generator for an encryption/decryption deviceBURROUGHS CORP·Filed 1979·Granted Jan 18, 1983·62 cites·29 claims
- 1287US4822985ATransaction approval systemVISA INT SERVICE ASS·Filed 1987·Granted Apr 18, 1989·181 cites·29 claims
- 1386US4870259ATransaction approval systemVISA INT SERVICE ASS·Filed 1989·Granted Sep 26, 1989·151 cites·10 claims
- 1482US4304961AAuthenticator code generatorBURROUGHS CORP·Filed 1980·Granted Dec 8, 1981·35 cites·15 claims
- 1579US4908521ATransaction approval systemVISA INT SERVICE ASS·Filed 1989·Granted Mar 13, 1990·205 cites·22 claims
- 1673US5396624AAccount file for off-line transaction authorizationVISA INT SERVICE ASS·Filed 1993·Granted Mar 7, 1995·76 cites·17 claims
- 1768US4314097AAuthenticator device for precluding compensating text modifications in transmitted messagesBURROUGHS CORP·Filed 1980·Granted Feb 2, 1982·20 cites·11 claims
- 1859US2008065554A1Method and system for conducting secure payments over a computer networkHOGAN EDWARD J·Filed 2007·Application pending·0 cites
- 1957US9672515B2Method and system for secure payments over a computer networkHOGAN EDWARD J·Filed 2001·Granted Jun 6, 2017·6 cites·23 claims
- 2057US2010223186A1Method and System for Conducting Secure PaymentsHOGAN EDWARD J·Filed 2009·Application pending·0 cites
- 2157US2010228668A1Method and System for Conducting a Transaction Using a Proximity Device and an IdentifierHOGAN EDWARD J·Filed 2009·Application pending·0 cites
- 2237US7636694B1Apparatus and method for generating an electronic-commerce personal identification number cryptographically related to an ATM personal identification numberMASTERCARD INTERNATIONAL INC·Filed 1999·Granted Dec 22, 2009·20 cites·25 claims
Join the waitlist — get patent alerts
Get an alert when Carl M. Campbell 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 →