Inventor · disambiguated record
John Danneffel
Also filed as: DANNEFFEL JOHN
5 granted patents·2 pending applications·17 citations·filing 2014–2025
75Inventor score
Top patents by PatentIndex Score
7 records- 0191US11774029B2Open-ended pipe thread protector with seal thereon and seal thereforUNIVERSAL MOULDING CO LTD·Filed 2022·Granted Oct 3, 2023·4 cites·20 claims
- 0284US10274123B2Pipe thread protector with an inner tapered grooveUNIVERSAL MOULDING CO LTD·Filed 2017·Granted Apr 30, 2019·5 cites·10 claims
- 0382US9828150B2Pipe thread protector with an inner tapered grooveUNIVERSAL MOULDING CO LTD·Filed 2015·Granted Nov 28, 2017·6 cites·13 claims
- 0472US2025207714A1Pipe thread protector with removable end member and interference-fit protrusionUNIVERSAL MOULDING CO LTD·Filed 2025·Application pending·0 cites
- 0569US12259080B2Pipe thread protector with removable end member and interference-fit protrusionUNIVERSAL MOULDING CO LTD·Filed 2022·Granted Mar 25, 2025·0 cites·20 claims
- 0647US2014261849A1Pipe thread protector with a detentDANNEFFEL MAX·Filed 2014·Application pending·0 cites
- 0736USD1025308SPipe thread protectorUNIVERSAL MOULDING CO LTD·Filed 2019·Granted Apr 30, 2024·2 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when John Danneffel 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 →