• 09/02/21 - H-604 Air Power Operator - Model 6 (Form 14666)
• 08/11/20 - H-17621 Inspection Port For Small Threaded Line Stopper Fittings - Product Advisory ( Form 14039)
• 08/24/17 - New 4 1/4" - 8 1/2" Shell Cutters
• 08/17/17 - New 4"x2", 6"x4" & 6"x5" NO-BLO®  Stopper Fittings (Form 13832)
• 09/04/15 - New Model H-10917 Slide Gate Valve
• 01/14/15 - Steel Abandonment Caps
• 07/17/14 - Chip Sweeper Extended Length Option (682991)
• 07/17/14 - Heat Numbers Being Added on Steel Fittings and Tees
• 10/30/13 - Valve Changer Tailpiece Kit
• 02/14/12 - New Option for 4-1/4" thru 8-1/2" Shell Cutters
• 02/14/12 - Improves Performance and Durability
• 01/20/11 - New Adjustable Safety Clamp for 3⁄4" - 1 1⁄4" Mueller^® NO-BLO^® Valve Changers
• 08/24/10 - New Improved 10"/12" Shell Cutter Design
• 11/10/09 - New Hydraulic Power Operator For Mueller^® Machines
• 12/17/96 - Mueller Introduces Enhanced Line Stopper Fitting Design