Van Riemsdyk made the most of his return to playing the wing and defenseman Cody Franson assisted on both of his first-period goals.
The New York Rangers had Cam Talbot to thank for finally getting a win against the Montreal Canadiens after triumphing 1-0.
Talbot made 22 saves for his first NHL shutout and Ryan Callahan scored on the power play 5:25 into the second period.
New Jersey made the most of good luck charm Martin Brodeur being in net to defeat Metropolitan Division leaders Pittsburgh 4-1.
The New York Islanders again saved their best for the Detroit Red Wings to record a 5-4 shootout win. Pavel Datsyuk scored twice for the Islanders, including the levelling goal with 42.5 seconds left in regulation.
Alexander Steen's NHL-leading 17th goal of the season saw the St Louis Blues beat the Carolina Hurricanes 4-2.
The Nashville Predators ended a seven-game and 17-day road trip by ending a four-match losing streak to thrash the Chicago Blackhawks 7-2.
The Phoenix Coytoes remain unbeaten on home ice in regulation following a 6-3 victory against the Tampa Bay Lightning.
The Florida Panthers beat the Colorado Avalanche 4-1 and the Edmonton Oilers won 4-2 against the Calgary Flames.