Inventor · disambiguated record
Donald P. Aupperle
Also filed as: AUPPERLE DONALD P
21 granted patents·3 pending applications·301 citations·filing 1976–2018
96Inventor score
Files withBIOCHAR NOW LLC9COLORADO VNET LLC4ACUTRA INC3CRUISING EQUIPMENT COMPANY INC2ROBBINS & CRAIG WELDING & MANU2
Top patents by PatentIndex Score
24 records- 0194US9752078B2Airflow control and heat recovery in a managed kilnBIOCHAR NOW LLC·Filed 2013·Granted Sep 5, 2017·15 cites·6 claims
- 0292US10160911B2Exhaust system for a biochar kilnBIOCHAR NOW LLC·Filed 2018·Granted Dec 25, 2018·5 cites·10 claims
- 0389US10527282B2Managed biochar kilnBIOCHAR NOW LLC·Filed 2018·Granted Jan 7, 2020·3 cites·16 claims
- 0489US10253979B2Flow regulation for a biochar kilnBIOCHAR NOW LLC·Filed 2018·Granted Apr 9, 2019·3 cites·15 claims
- 0589US7394367B1Keypad for building automationCOLORADO VNET LLC·Filed 2005·Granted Jul 1, 2008·40 cites·25 claims
- 0688US10323845B2Airflow control and heat recovery in a managed kilnBIOCHAR NOW LLC·Filed 2017·Granted Jun 18, 2019·3 cites·20 claims
- 0787US4263736AModular display systemCOLORADO TIME SYSTEMS INC·Filed 1978·Granted Apr 28, 1981·56 cites·6 claims
- 0885US7692409B2Generator controllerACUTRA INC·Filed 2007·Granted Apr 6, 2010·25 cites·11 claims
- 0982US10370593B2Controlled kiln and manufacturing system for biochar productionBIOCHAR NOW LLC·Filed 2013·Granted Aug 6, 2019·4 cites·10 claims
- 1081US10751885B2Gripper assembly for portable biochar kilnBIOCHAR NOW LLC·Filed 2018·Granted Aug 25, 2020·4 cites·17 claims
- 1177US7353084B2Generator controllerACUTRA INC·Filed 2004·Granted Apr 1, 2008·34 cites·20 claims
- 1270US7502668B2Generator controllerACUTRA INC·Filed 2007·Granted Mar 10, 2009·8 cites·7 claims
- 1366USD502466SKeypad and keypad housingCOLORADO VNET LLC·Filed 2004·Granted Mar 1, 2005·14 cites·1 claims
- 1465USD399154SHousing for a meter ratchet ringCRUISING EQUIPMENT COMPANY INC·Filed 1996·Granted Oct 6, 1998·14 cites·1 claims
- 1561USD494585SKeypad and keypad housingCOLORADO VNET·Filed 2003·Granted Aug 17, 2004·13 cites·1 claims
- 1661US2018072954A1Airflow control and heat recovery in a managed kilnBIOCHAR NOW LLC·Filed 2017·Application pending·0 cites
- 1761US2018072953A1Airflow control and heat recovery in a managed kilnBIOCHAR NOW LLC·Filed 2017·Application pending·0 cites
- 1858USD538234STransparent keypad and keypad housingCOLORADO VNET LLC·Filed 2005·Granted Mar 13, 2007·11 cites·1 claims
- 1955USD532384SLight control housingCOLORADO VNET LLC·Filed 2003·Granted Nov 21, 2006·9 cites·1 claims
- 2055US5675123AClam-shell housing having releasably attachable, wall-mounting mechanismCRUISING EQUIPMENT COMPANY INC·Filed 1996·Granted Oct 7, 1997·18 cites·32 claims
- 2147USD246442SPortable electronic multimeterHEWLETT PACKARD CO·Filed 1976·Granted Nov 22, 1977·3 cites·1 claims
- 2238US4659281ALoading and unloading system for piece part carrierROBBINS & CRAIG WELDING & MANU·Filed 1985·Granted Apr 21, 1987·10 cites·11 claims
- 2337US4787806ALoading and unloading system for piece part carrierROBBINS & CRAIG WELDING & MANU·Filed 1986·Granted Nov 29, 1988·9 cites·12 claims
- 2434US2003040217A1Device mounting systemBLUE SEA SYSTEMS·Filed 2002·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Donald P. Aupperle 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 →