Process Technology Inc.
Willoughby, OH, US· latest recorded location
Process Technology Inc. is named on 8 US grants and 1 published applications in this corpus. Its most frequent classification is H05B (Electric heating).
- Granted patents
- 8
- Published applications
- 1
- Inventors
- 10
- Granted in 2026 so far
- 0
- Most recent grant
- 5 May 1998
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. 2026 runs to 8 Oct.
Technology areas
Share of 9 documents
Recent patents
- High temperature lamp heater assembly with cooling of lamp base portions5 May 1998US 5,748,837 A
- Ultra pure water heater with coaxial helical flow paths31 Dec 1996US 5,590,240 A
- Tubular high efficiency, non-contaminating fluid heater7 Mar 1995US 5,396,574 A
- Panel heater assembly for use in a corrosive environment and method of manufacturing the heater13 Oct 1992US 5,155,800 A
- Heater assembly for use in a corrosive environment28 Apr 1992US 5,109,473 A
Most cited
By later US patents
- Panel heater assembly for use in a corrosive environment and method of manufacturing the heater30US 5,155,800 A1992
- Tubular high efficiency, non-contaminating fluid heater25US 5,396,574 A1995
- Ultra pure water heater with coaxial helical flow paths18US 5,590,240 A1996
- Long life corrosion proof electroplating immersion heater17US 4,617,456 A1986
- PTC heater assembly and a method of manufacturing the heater assembly12US 4,972,067 A1990