Inventor · disambiguated record
Ronald J. Johnston
Also filed as: JOHNSTON RONALD · JOHNSTON RONALD J
12 granted patents·384 citations·filing 1975–2016
93Inventor score
Files withALUMA SYSTEMS3ALUMA SYSTEMS LTD2JOHNSTON RONALD J2SUPERIOR PRODUCTS INC2ALUMA BUILDING SYST INC1
Top patents by PatentIndex Score
12 records- 0196US4566819AClamp for shoring and scaffolding framesALUMA SYSTEMS·Filed 1982·Granted Jan 28, 1986·115 cites·55 claims
- 0292US4841708ABolted aluminum shoring frameALUMA SYSTEMS·Filed 1987·Granted Jun 27, 1989·64 cites·12 claims
- 0387US4926593ATruss arrangementALUMA SYSTEMS LTD·Filed 1988·Granted May 22, 1990·42 cites·6 claims
- 0486US4787183ATruss arrangementALUMA SYSTEMS LTD·Filed 1985·Granted Nov 29, 1988·41 cites·21 claims
- 0581US10400913B2Rapid-connect coupler with a product flow restrictorENGINEERED CONTROLS INT LLC·Filed 2016·Granted Sep 3, 2019·3 cites·20 claims
- 0678US4033544AWall forming structure for poured concrete wallsALUMA BUILDING SYST INC·Filed 1976·Granted Jul 5, 1977·31 cites·10 claims
- 0774US4195873ALifting deviceALUMA SYSTEMS·Filed 1978·Granted Apr 1, 1980·23 cites·5 claims
- 0866US5520214ARegulator and fill valveWESTERN SCOTT FETZER COMPANY·Filed 1994·Granted May 28, 1996·36 cites·13 claims
- 0961US8272393B2Switchover valveJOHNSTON RONALD J·Filed 2008·Granted Sep 25, 2012·5 cites·21 claims
- 1053US6390158B2Post valve yokeSUPERIOR PRODUCTS INC·Filed 2001·Granted May 21, 2002·6 cites·18 claims
- 1149US4077172AExtension leg for trusses for concrete forming structures and the likeJOHNSTON RONALD J·Filed 1975·Granted Mar 7, 1978·12 cites·10 claims
- 1247US6386248B2Hydraulically operated post valve yokeSUPERIOR PRODUCTS INC·Filed 2001·Granted May 14, 2002·6 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →