"having a maximum" is correct and usable in written English.
You can use it to refer to something that has reached its upper limit or highest quantity. For example, "The temperature in the room is now having a maximum of 80 degrees Fahrenheit."
All nations having a maximum of one other country between them and the North Sea or Mediterranean and using the Roman alphabet can and should participate in the EU.
Green Mountains, part of the Appalachian Mountain system, U.S., extending for 250 miles (402 km) from north to south through the centre of Vermont and having a maximum width of 36 miles (58 km).
It is the oldest existing freshwater lake on Earth (20 million–25 million years old), as well as the deepest continental body of water, having a maximum depth of 5,315 feet (1,620 metres).
As completed in 1939, it had a minimum bottom width of 24 metres (80 feet) and could be navigated by 2,000-ton 2,000-tonavesselsmaximum draft of 2.7 metres (9 feet).
In the other room, Zia (East) opened one no-trump, showing 15 to 17 points, despite having a maximum 17 high-card points, a five-card suit and two tens.
Their water body is defined by having a maximum of 1 ha in extent.
Merge the pair of clusters, having a maximum characteristic similarity (DC) by reducing the cluster count.
It is the length of the main stream having a maximum length.
He said it was "essential" for the health service to commit to having a maximum occupancy rate of 85%.
Applying drink nipples without a cup and having a maximum downtime of ten days resulted in intermediate estimated costs.
The short-circuit current density increased with temperature, having a maximum around 300 K and decreased thereafter.
