Inventor · disambiguated record
Richard H. Ludwig
Also filed as: LUDWIG RICHARD H
6 granted patents·89 citations·filing 1980–1987
83Inventor score
Technology areasB66B
Files withWESTINGHOUSE ELECTRIC CORP6
Top patents by PatentIndex Score
6 records- 0189US4785914AElevator system leveling safeguard control and methodWESTINGHOUSE ELECTRIC CORP·Filed 1987·Granted Nov 22, 1988·55 cites·11 claims
- 0256US4436185AElevator systemWESTINGHOUSE ELECTRIC CORP·Filed 1982·Granted Mar 13, 1984·14 cites·13 claims
- 0335US4463833AElevator systemWESTINGHOUSE ELECTRIC CORP·Filed 1982·Granted Aug 7, 1984·6 cites·7 claims
- 0432US4317506AElevator systemWESTINGHOUSE ELECTRIC CORP·Filed 1980·Granted Mar 2, 1982·5 cites·8 claims
- 0531US4638889AElevator systemWESTINGHOUSE ELECTRIC CORP·Filed 1985·Granted Jan 27, 1987·6 cites·8 claims
- 0629US4648488AElevator systemWESTINGHOUSE ELECTRIC CORP·Filed 1985·Granted Mar 10, 1987·3 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →