Inventor · disambiguated record
Christopher R. B. Harrison
Also filed as: HARRISON CHRISTOPHER · HARRISON CHRISTOPHER R · HARRISON CHRISTOPHER R B · HARRISON CHRISTOPHER ROLAND
20 granted patents·2 pending applications·277 citations·filing 1974–2025
95Inventor score
Files withWILKINSON SWORD LTD12SDB IP HOLDINGS LLC8WESTINGHOUSE BRAKE & SIGNAL1WILKINSON SWORD LIMITED OF SWO1
Top patents by PatentIndex Score
22 records- 0196US10527191B2System, method, and apparatus for monitoring restroom appliancesSDB IP HOLDINGS LLC·Filed 2016·Granted Jan 7, 2020·12 cites·7 claims
- 0294US10378676B2System, method, and apparatus for optimizing a timing of a flush valveSDB IP HOLDINGS LLC·Filed 2016·Granted Aug 13, 2019·7 cites·16 claims
- 0393US4341016AHand toolsWILKINSON SWORD LTD·Filed 1979·Granted Jul 27, 1982·57 cites·8 claims
- 0489USD268982SPrunerWILKINSON SWORD LTD·Filed 1979·Granted May 17, 1983·22 cites·1 claims
- 0587US12007042B2System, method, and apparatus for monitoring restroom appliancesSDB IP HOLDINGS LLC·Filed 2021·Granted Jun 11, 2024·1 cites·18 claims
- 0685US4268963AHand toolsWILKINSON SWORD LTD·Filed 1979·Granted May 26, 1981·38 cites·3 claims
- 0782US4079513AHand toolsWILKINSON SWORD LTD·Filed 1977·Granted Mar 21, 1978·39 cites·3 claims
- 0882US2024288093A1System, Method, and Apparatus for Monitoring Restroom AppliancesSDB IP HOLDINGS LLC·Filed 2024·Application pending·0 cites
- 0981US11692338B2Toilet fixture clog prevention and cleanoutSDB IP HOLDINGS LLC·Filed 2020·Granted Jul 4, 2023·1 cites·4 claims
- 1081USD265376SPrunerWILKINSON SWORD LTD·Filed 1979·Granted Jul 13, 1982·14 cites·1 claims
- 1179US12264463B2Toilet fixture clog prevention and cleanoutSDB IP HOLDINGS LLC·Filed 2023·Granted Apr 1, 2025·0 cites·5 claims
- 1279USD264172SPrunerWILKINSON SWORD LTD·Filed 1979·Granted May 4, 1982·13 cites·1 claims
- 1377USD264545SPrunerWILKINSON SWORD LTD·Filed 1979·Granted May 25, 1982·12 cites·1 claims
- 1477US2025198137A1Toilet Fixture Clog Prevention and CleanoutSDB IP HOLDINGS LLC·Filed 2025·Application pending·0 cites
- 1573US11156309B2System, method, and apparatus for monitoring restroom appliancesSDB IP HOLDINGS LLC·Filed 2019·Granted Oct 26, 2021·1 cites·20 claims
- 1669USD267144SPrunerWILKINSON SWORD LTD·Filed 1980·Granted Dec 7, 1982·10 cites·1 claims
- 1768USD264544SPrunerWILKINSON SWORD LTD·Filed 1979·Granted May 25, 1982·8 cites·1 claims
- 1863US3987675APneumatic level sensingWESTINGHOUSE BRAKE & SIGNAL·Filed 1974·Granted Oct 26, 1976·13 cites·5 claims
- 1954US4633587ASpring-biased garden prunersWILKINSON SWORD LIMITED OF SWO·Filed 1985·Granted Jan 6, 1987·18 cites·5 claims
- 2054USD265282SPrunerWILKINSON SWORD LTD·Filed 1980·Granted Jul 6, 1982·5 cites·1 claims
- 2147USD288275SGarden shearWILKINSON SWORD LTD·Filed 1984·Granted Feb 17, 1987·3 cites·1 claims
- 2246USD290925SShank for a garden shearWILKINSON SWORD LTD·Filed 1984·Granted Jul 21, 1987·3 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →