Inventor · disambiguated record
Richard W. Krajicek
Also filed as: KRAJICEK RICHARD W · SPERRY JOHN S
22 granted patents·1 pending application·752 citations·filing 1975–2013
97Inventor score
Top patents by PatentIndex Score
23 records- 0194US4817653ATank cleaning, water washing robotSERV TECH INC·Filed 1988·Granted Apr 4, 1989·73 cites·18 claims
- 0293US4805653AMobile articulatable tube bundle cleanerSERV TECH INC·Filed 1985·Granted Feb 21, 1989·61 cites·16 claims
- 0391US5356482AProcess for vessel decontaminationSERV TECH INC·Filed 1992·Granted Oct 18, 1994·90 cites·22 claims
- 0487US4118925ACombustion chamber and thermal vapor stream producing apparatus and methodCARMEL ENERGY·Filed 1977·Granted Oct 10, 1978·45 cites·22 claims
- 0583US5389156ADecontamination of hydrocarbon process equipmentSERV TECH INC·Filed 1993·Granted Feb 14, 1995·46 cites·18 claims
- 0682US5425814AMethod for quick turnaround of hydrocarbon processing unitsSERV TECH INC·Filed 1994·Granted Jun 20, 1995·47 cites·29 claims
- 0781US3948323AThermal injection process for recovery of heavy viscous petroleumCARMEL ENERGY·Filed 1975·Granted Apr 6, 1976·54 cites·9 claims
- 0880US4856545AMulti-lange tube bundle cleanerSERV TECH INC·Filed 1988·Granted Aug 15, 1989·30 cites·10 claims
- 0976US5032054AAerial bundle pullerSERV TECH INC·Filed 1989·Granted Jul 16, 1991·31 cites·5 claims
- 1074US5091016AMethod for dispersing sediment contained in a storage tankSERV TECH INC·Filed 1990·Granted Feb 25, 1992·34 cites·8 claims
- 1172US4244684AMethod for controlling corrosion in thermal vapor injection gasesCARMEL ENERGY·Filed 1979·Granted Jan 13, 1981·22 cites·7 claims
- 1271US4945933ALiquid circulator useful for dispersing sediment contained in a storage tankSERV TECH INC·Filed 1988·Granted Aug 7, 1990·37 cites·21 claims
- 1369US4398604AMethod and apparatus for producing a high pressure thermal vapor streamCARMEL ENERGY·Filed 1981·Granted Aug 16, 1983·36 cites·24 claims
- 1467US4575305ATruck mounted tube bundle pulling apparatusBON TON ROLLE LIMITED·Filed 1983·Granted Mar 11, 1986·26 cites·35 claims
- 1566US5403145AStreet legal, mobile, truck mounted tube bundle pulling apparatusSERV TECH INC·Filed 1994·Granted Apr 4, 1995·19 cites·6 claims
- 1666US4869638AAerial bundle pullerSERV TECH INC·Filed 1987·Granted Sep 26, 1989·22 cites·4 claims
- 1762US5460331AApparatus for dispersion of sludge in a crude oil storage tankSERV TECH INC·Filed 1994·Granted Oct 24, 1995·18 cites·6 claims
- 1860US9410409B1Thermal vapor stream apparatus and methodKRAJICEK RICHARD W·Filed 2013·Granted Aug 9, 2016·3 cites·6 claims
- 1959US4156421AMethod and apparatus for producing thermal vapor streamCARMEL ENERGY·Filed 1977·Granted May 29, 1979·15 cites·9 claims
- 2057US3993135AThermal process for recovering viscous petroleumCARMEL ENERGY·Filed 1975·Granted Nov 23, 1976·22 cites·5 claims
- 2152US4282929AMethod of controlling scale in oil recovery operationsCARMEL ENERGY·Filed 1979·Granted Aug 11, 1981·16 cites·1 claims
- 2242US2011036095A1Thermal vapor stream apparatus and methodZERO CO2 LLC·Filed 2009·Application pending·0 cites
- 2338US5542984AMethod for dispersion of sludge and for preparing a circulator for dispersing sludgeSERV TECH INC·Filed 1995·Granted Aug 6, 1996·5 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →