Number of 50-goal / player-seasons per franchise (re-located franchises' ex-cities / goal-totals in bold):
0 x Colorado Rockies / New Jersey (most is 48)
0 x Columbus (most is 41)
0 x Minnesota (most is 47)
0 x Nashville (most is 43)
0 x Seattle (most is 27)
0 x Vegas (most is 43)
1 x San Jose (56)
2 x Atlanta Thrashers / Winnipeg 2.0 (52, 52)
2 x Florida (59, 58)
2 x Hartford / Carolina (56, 52)
2 x Ottawa (50, 50)
3 x Tampa Bay (60, 52, 51)
4 x Anaheim (52, 51, 50, 50)
4 x Minnesota North Stars / Dallas (55, 55, 52, 50)
4 x NY Rangers (54, 52, 52, 50)
4 x Winnipeg 1.0 / Arizona (76, 53, 52, 50)
4 x Vancouver (60, 60, 55, 51)
6 x Buffalo (76, 56, 53, 52, 52, 50)
6 x Toronto (60, 54, 53, 52, 51, 51)
8 x Chicago (58, 54, 54, 53, 52, 50, 50, 50)
8 x Quebec / Colorado (57, 56, 55, 54, 53, 52, 51, 50)
8 x St. Louis (86, 72, 70, 57, 54, 54, 52, 51)
10 x Atlanta Flames / Calgary (66, 53, 52, 51, 51, 51, 51, 50, 50, 50)
11 x Boston (78, 68, 66, 61, 55, 55, 51, 51, 51, 50, 50)
11 x Detroit (65, 62, 58, 56, 55, 52, 52, 51, 51, 50, 50)
12 x Montréal (60, 60, 56, 56, 53, 52, 51, 50, 50, 50, 50, 50)
12 x NY Islanders (69, 68, 64, 61, 60, 58, 58, 54, 53, 51, 51, 50)
12 x Philadelphia (61, 58, 58, 54, 54, 53, 51, 51, 50, 50, 50, 50)
14 x Los Angeles (70, 63, 59, 58, 56, 56, 56, 55, 54, 53, 53, 53, 52, 50)
15 x Washington (65, 60, 56, 53, 53, 52, 52, 52, 51, 51, 50, 50, 50, 50, 50)
16 x Pittsburgh (85, 70, 69, 69, 62, 55, 55, 54, 54, 53, 52, 52, 51, 51, 50, 50)
17 x Edmonton (92, 87, 73, 71, 71, 68, 62, 55, 55, 54, 54, 54, 52, 52, 51, 50, 50)
NOTES:
-- Montréal and Washington have each had 5 player-seasons where the player hit exactly 50 goals (Maurice Richard being the first of them all, of course).
-- San Jose is the only NHL franchise to have exactly one 50-goal scorer in history.
-- Chicago and Quebec/Colorado are the only franchises to have had six or more 50+ goal scorers but never a 60+ goal scorer.
-- In 46 years, the Rockies/Devils franchise has had zero 50-goal scorers; while in fewer years the Oilers franchise has had 17.
-- Montréal's first and last 50-goal scorers are 45 years apart.
-- Mike Bossy accounts for 75% of the NY Islanders' 50-goal seasons.
-- Alex Ovechkin accounts for 60% of the Capitals' 50-goal seasons.