Alphatech, Inc.
Glen Mills, PA, US· latest recorded location
Alphatech, Inc. is named on 21 US grants and 4 published applications in this corpus. Its most frequent classification is C23C (Coating metallic material).
- Granted patents
- 21
- Published applications
- 4
- Inventors
- 9
- Granted in 2026 so far
- 0
- Most recent grant
- 28 May 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
By publication year.
Technology areas
Share of 25 documents
- C23CCoating metallic material8
- F16CShafts6
- F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far6
- F04DNon-positive-displacement pumps5
- Y10TTechnical subjects covered by former us classification5
- B21BRolling of metal4
- C22CAlloys4
- B01FMixing3
- C21DModifying the physical structure of ferrous metals3
- C22BProduction and refining of metals3
Recent patents
- Hub-shaft assembly28 May 2013US 8,449,215 B2
- Sink roll bearing having ceramic elements for supporting the roll's shaft26 Jun 2007US 7,234,869 B1
- Alloy molten composition suitable for molten magnesium environments31 May 2005US 6,899,772 B1
- System and method for comparing signals16 Sep 2003US 6,622,118 B1
- Material formulation for galvanizing equipment submerged in molten aluminum and aluminum/zinc melts13 May 2003US 6,562,293 B1
Most cited
By later US patents
- Monolithic jet column reactor pump113US 5,863,314 A1999
- Pump for moving metal in a bath of molten metal111US 6,354,796 B12002
- Inert pump leg adapted for immersion in molten metal105US 6,168,753 A2001
- Advanced motor driven impeller pump for moving metal in a bath of molten metal101US 6,082,965 A2000
- Alloy molten composition suitable for molten magnesium environments20US 6,899,772 B12005