| 1981 | Viking VK506 - ESFR Pendent Sprinkler (K22) | |
| 1982 | Viking VK512 - ESFR Dry Pendent Sprinkler (K25.2) | |
| 1983 | Viking VK510 - ESFR Pendent Sprinkler (K25) | |
| 1984 | Viking VK514 - ESFR Pendent Sprinkler (K28) | |
| 1985 | Viking VK540 - Standard Response High Challenge® Upright Sprinkler CMSA (K11.2) | |
| 1986 | Viking VK592 - Standard Response CMSA Pendent Sprinkler (K19.6) | |
| 1987 | Viking VK598 - Upright Sprinkler (Storage-Specific Application) (K25.2) | |
| 1988 | Viking Intermediate Level In-Rack Sprinkler Models | |
| 1989 | Viking Model V-BB (Back to Back) Specific Application Attic Sprinkler | |
| 1990 | Viking Model V-SD (Single Directional) Specific Application Attic Sprinkler | |
| 1991 | Viking VK690 - Model V-EP Specific Application Attic Sprinkler | |
| 1992 | Viking VK660 - Model V-HIP Specific Application Attic Sprinkler | |
| 1993 | Viking VK696 - Attic Upright Specific Application Sprinkler (4.2K) | |
| 1994 | Viking VK950 - COIN® Quick Response Upright Sprinkler (Specific Application) (K5.6) | |
| 1995 | Viking VK697 - Attic Upright Specific Application Sprinkler (5.6K) | |
| 1996 | Viking VK426, VK427 Flush Pendent and Flush Horizontal Sidewall Institutional Sprinklers (K5.6) | |
| 1997 | Viking VK901 - Microfast COIN QR Upright Fusible Element Sprinkler (Specific Application) (K4.2) | |
| 1998 | Viking VK900 - Microfast COIN QR Upright Sprinkler (Specific Application) (K4.2) | |
| 1999 | Viking VK960, VK962 Pendent Vertical Sidewall and Horizontal Sidewall (Specific Application) (K5.6) | |
| 2000 | Viking VK650, VK651 QREC Flush Pendent and Flush Horizontal Sidewall Institutional Sprinklers (K5.6) | |
| 2001 | Viking VK467 - Residential Upright Sprinkler (K4.9) | |
| 2002 | Viking Model C-1 Window Sprinkler | |
| 2003 | Viking VK4670 - Freedom® Residential Upright Lead Free Sprinkler (K4.9) | |
| 2004 | Viking VK430 - Residential Pendent Sprinkler (K4.3) | |
| 2005 | Viking VK470 - Residential Pendent Sprinkler (K3.0) | |
| 2006 | Viking VK472 - Residential Pendent Sprinkler (K5.8) | |
| 2007 | Viking VK468 - Residential Pendent Sprinkler (K4.9) | |
| 2008 | Viking VK466 - Residential Pendent Sprinkler (K5.2) | |
| 2009 | Viking VK4680 - Residential Pendent Lead Free Sprinkler (K4.9) | |
| 2010 | Viking VK4700 - Residential Pendent Lead Free Sprinkler (K3.0) | |