Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11255171 | Method of pumping fluid from a wellbore by a subsurface pump having an interior flow passage in communication with a fluid chamber via a filter positioned in a side wall of a plunger | William C. Lane, John Edward Stachowiak, Jr. | 2022-02-22 |
| 10450847 | Subsurface reciprocating pump for gassy and sandy fluids | Jason Bailey, John Edward Stachowiak, Jr. | 2019-10-22 |
| 10385663 | Subsurface pump for use in well artificial lift operations having an interior flow passage of a plunger being in communication with a fluid chamber via a filter | William C. Lane, John Edward Stachowiak, Jr. | 2019-08-20 |
| D719344 | Prescription safe for medicine cabinet | James P. Miller, Donald Whaley, Nathan Spinks, Patrick E. Wind | 2014-12-16 |
| 4907953 | Locking gas equalizer assembly | Elgie Harris, II | 1990-03-13 |