Inventor · disambiguated record
Karl Schweickardt
Also filed as: SCHWEICKARDT JR KARL · SCHWEICKARDT KARL · SCHWEICKARDT KARL W
6 granted patents·284 citations·filing 1979–2001
85Inventor score
Top patents by PatentIndex Score
6 records- 0194US4695769ALogarithmic-to-linear photocontrol apparatus for a lighting systemWIDE LITE INTERNATIONAL·Filed 1981·Granted Sep 22, 1987·202 cites·6 claims
- 0281US4269194ACarbon dioxide measurement from expired gases in a partial rebreathing anesthesia circuitRAYBURN ROBERT L·Filed 1979·Granted May 26, 1981·38 cites·7 claims
- 0361US4400754ASpark arrestorESQUIRE INC·Filed 1981·Granted Aug 23, 1983·16 cites·8 claims
- 0454US6326733B1Electronic circuit to initiate and sustain current conduction in gaseous discharge lamps and methodSTARTER SYSTEMS INC·Filed 2001·Granted Dec 4, 2001·7 cites·28 claims
- 0553US4677348ACombined ignitor and transient suppressor for gaseous discharge lighting equipmentSTARTER SYSTEMS INC·Filed 1985·Granted Jun 30, 1987·16 cites·14 claims
- 0633US4414600AProtection device for high intensity gaseous discharge lamp starting circuitESQUIRE INC·Filed 1981·Granted Nov 8, 1983·5 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Karl Schweickardt 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 →