Inventor · disambiguated record
John D. Holley
Also filed as: HOLLEY JOHN · HOLLEY JOHN D
14 granted patents·1 pending application·366 citations·filing 1978–2017
94Inventor score
Top patents by PatentIndex Score
15 records- 0198US5331899ATie plate manipulator vehicle and methodHOLLEY ENGINEERING COMPANY INC·Filed 1993·Granted Jul 26, 1994·60 cites·20 claims
- 0288US9908814B1Cementitious compositions and methods of making and using the sameCEMENT SQUARED INC·Filed 2017·Granted Mar 6, 2018·13 cites·19 claims
- 0384US5507546AUnderride protection bumperFiled 1994·Granted Apr 16, 1996·59 cites·23 claims
- 0484US4691639ARail tie plate placing vehicle and methodHOLLEY ENGINEERING COMPANY INC·Filed 1986·Granted Sep 8, 1987·55 cites·30 claims
- 0582US4225429AVehicle for cleaning railway roadbeds of magnetic articlesHOLLEY JOHN D·Filed 1978·Granted Sep 30, 1980·41 cites·4 claims
- 0673US10087108B1Cementitious compositions and methods of making and using the sameCEMENT SQUARED INC·Filed 2017·Granted Oct 2, 2018·1 cites·14 claims
- 0767US4722283AMagnetic pick up system for rail beds and methodHOLLEY ENGINEERING COMPANY INC·Filed 1986·Granted Feb 2, 1988·29 cites·20 claims
- 0864US5394586ABallast sweeper dust controlHOLLEY ENGINEERING COMPANY INC·Filed 1993·Granted Mar 7, 1995·16 cites·24 claims
- 0962US4478152ARailroad scrap pick up machineHOLLEY ENGINEERING COMPANY INC·Filed 1982·Granted Oct 23, 1984·22 cites·22 claims
- 1060US4903611AAnchor spreader apparatus and methodHOLLEY ENGINEERING COMPANY INC·Filed 1989·Granted Feb 27, 1990·22 cites·20 claims
- 1152US4940001ARail spike cleaning apparatusHOLLEY ENGINEERING COMPANY INC·Filed 1988·Granted Jul 10, 1990·17 cites·38 claims
- 1251US5579553ABallast broom with auger and methodHOLLEY ENGINEERING COMPANY INC·Filed 1995·Granted Dec 3, 1996·20 cites·20 claims
- 1340US2009072937A1Steel pipe demagnetizing toolHOLLEY JOHN·Filed 2006·Application pending·0 cites
- 1438US4561198AMethod and apparatus for scarifying a railroad cribHOLLEY ENGINEERING COMPANY INC·Filed 1984·Granted Dec 31, 1985·7 cites·30 claims
- 1532US4367564ASweeper bristle and method of makingHOLLEY JOHN D·Filed 1981·Granted Jan 11, 1983·4 cites·19 claims
Join the waitlist — get patent alerts
Get an alert when John D. Holley 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 →